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Impact of Population Explosion on Economic Development

Course Details
Course Name Course Code : Micro Economics : Eco-131

Submitted To

: Dr. Mohammed Shafiullah Professor, Department of Business Administration

Submitted By


Name Abdus Sabur Sabir Md. Burhan Uddin Abdullah al Muhaimin Muminul Hoque
26th Batch (Fall Semester).

ID 1003010016 1003010017 1003010018 1003010022

Date of Submission : 20 August, 2011.

Leading University, Sylhet

Letter of Certificate
I am extremely pleased to declare that the following group of students has been given with the topic “A study on Impact of population Explosion on economic

development for writing a report. They have reviewed all the relevant literature for
collecting of data. I have supervised them throughout the preparation of the paper. I also certify that the paper is an original one and has not been submitted elsewhere previously for publication in any form. I believe they will try to do their best in all phase of their live.

Dr. Mohammed Shafiullah Professor, Department of Business Administration Leading University, Sylhet.

20 August, 2011 To,

Dr. Mohammed Shafiullah Professor,
Department of Business Administration Leading University, Sylhet Subject: Letter of Submittal/Submission Dear Sir, We were given the topic “A study on Impact of population Explosion on

economic development for writing a report for presentation and collection of
primary and secondary data. To do so, we sought the relevant information in books, journals, and the assigned organization. We tried to collect all possible information and make this paper acceptable to all but there can be still existing mistake. So we like to request you to consider if any fault is found in paper. Lastly, we would like to request you to accepted our paper and permit us to present it before the panel of experts. Thank you in advance for your assistance and advice in this connection. Yours obediently Name Registration No

Abdus Sobur Sabir Md. Burhan Uddin Abdullah al Muhaimin Muminul Hoque

1003010016 1003010017 1003010018 1003010022

This is to thank our honorable teacher Dr. Mohhamed Shafiullah for assigning us to prepare an assignment on a topic which is very important and also interesting. It is prepared following all suggestion of our course teacher and we tried to make no mistake while preparing this assignment. Though we have collected information from book, website and also class lecture of our teacher. We would like to thank our honorable teacher Dr. Mohhamed Shafiullah and again sorry if we have any mistake while making this assignment.

Limitation of the study
• • • • Lack of information available Lack of assistance from the Company people Shortage of time Not much specific information regarding the Organization’

Table of Content
1. Introduction of Population Explosion. 2. Population Explosion Background. 3. Problems of Population Explosion. 4. Bangladesh Economy. 5. Conclusion.

Population Explosion
Overpopulation is a condition where an organism's numbers exceed the carrying capacity of its habitat. The term often refers to the relationship between the human population and its environment, the Earth. Steve Jones, head of the biology department at University College London, has said, "Humans are 10,000 times more common than we should be, according to the rules of the animal kingdom, and we have agriculture to thank for that. Without farming, the world population would probably have reached half a million by now." The world’s population has significantly increased in the last 50 years, mainly due to medical advancements and substantial increases in agricultural productivity. The recent rapid increase in human population over the past two centuries has raised concerns that humans are beginning to overpopulate the Earth, and that the planet may not be able to sustain present or larger numbers of inhabitants. However, this is not the general consensus of the scientific community. The population has been growing continuously since the end of the Black Death, around the year 1400; at the beginning of the 19th century, it had reached roughly 1,000,000,000 (1 billion). Increases in medical technology have led to rapid population growth on a worldwide level. Current projections show a steady decline in the population growth rate, with the population expected to reach between 8 and 10.5 billion between the year 2040 and 2050. In May 2011, The United Nations increased the medium variant projections to 9.3 billion for 2050 and 10.1 billion for 2100.

Overpopulation does not depend only on the size or density of the population, but on the ratio of population to available sustainable resources. It also depends on the way resources are used and distributed throughout the population. Overpopulation can result from an increase in births, a decline in mortality rates due to medical advances, from an increase in immigration, or from an unsustainable biome and depletion of resources. It is possible for very sparsely populated areas to be overpopulated, as the area in question may have a meager or non-existent capability to sustain human life (e.g. a desert).

The resources to be considered when evaluating whether an ecological niche is overpopulated include clean water, clean air, food, shelter, warmth, and other resources necessary to sustain life. If the quality of human life is addressed, there may be additional resources considered, such as medical care, education, proper sewage treatment waste disposal and energy supplies. Overpopulation places competitive stress on the basic life sustaining resources, leading to a diminished quality of life.

Population Explosion Background
Concern about overpopulation is relatively recent in origin. Throughout history, populations have grown slowly despite high birth rates, due to the population-reducing effects of war, plagues and high infant mortality. During the 750 years before the Industrial Revolution, the world's population hardly increased, remaining under 250 million. By the beginning of the 19th century, the world population had grown to a billion individuals, and intellectuals such as Thomas Malthus and physiocratic economists predicted that mankind would outgrow its available resources, since a finite amount of land was incapable of supporting an endlessly increasing population. Mercantilists argued that a large population was a form of wealth, which made it possible to create bigger markets and armies.

History of population growth
World population

The human population has gone through a number of periods of growth since the dawn of civilization in the Holocene period, around 10,000 BC. The beginning of civilization coincides with the final receding of glacial ice following the end of the last glacial period. It is estimated that about 1,000,000 people, subsisting on hunting and foraging, inhabited the Earth in the period before the Neolithic

revolution, when human activity shifted away from hunter-gathering and towards very primitive farming.

After the effects of the plagues had subsided during the 17th century, shortly before the Industrial Revolution, the world population began to grow once again. In parts of Asia, like China, the population doubled from 60 to 150 million under the Ming dynasty After the start of the Industrial Revolution, during the 18th century, the rate of population growth began to increase. By the end of the century, the world's population was estimated at just fewer than 1 billion. At the turn of the 20th century, the world's population was roughly 1.6 billion. By 1940, this figure had increased to 2.3 billion Dramatic growth beginning in 1950 (above 1.8% per year) coincided with greatly increased food production as a result of the industrialization of agriculture brought about by the Green Revolution. The rate of growth peaked in 1964, at about 2.2% per year. The world population was at some point in 2010 estimated to be 6,937,500,000, with unreported variability.

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Africa - 133 million Asia - 946 million Europe - 408 million Latin America & Caribbean - 74 million North America - 82 million

1960s to 2010 table of population growth
Many of the world's countries, including many in Sub-Saharan Africa, the Middle East, South Asia and South East Asia, have seen a sharp rise in population since the end of the Cold War. The fear is that high population numbers are putting further strain on natural resources, food supplies, fuel supplies, employment, housing, etc.; in some the less fortunate countries. The population of Chad has, for example, ultimately grown from 6,279,921 1993 to 10,329,208 in 2009, further straining its resources. Vietnam, Mexico, Nigeria, Egypt, Ethiopia and the DRC are witnessing a similar growth in population, strained resources and a possible overpopulation problem in the near future. .


Population (1000 million) and growth 1990-2008 (%)

Eritrea* (1992) Ethiopia* Sudan** Chad (2009) Niger (2009) Nigeria Mali (2010) Mauritania (2009) Senegal (2009) Gambia Algeria Zaire Egypt Chile (2011) Colombia (2010) Brazil (2010) Mexico (2010) Fiji (2010) Nauru (2011) Jamaican (2010) Australia (2010) Albania (2010) Poland(2010) Hungary (2010) Bulgaria (2011) UK (2010) Ireland/Éire (2010) China(2010) Japan (2010) India (2011)

1990 3184 50974 25204 5679 7732 88500 8156 2025 7327 861000 25012 35562 53153 13173 32987 150368 86154 765 10000 2420 17086 3250 38180 10553 8980 57411 3503 1139060 123537 843931

2008 % 5674 78 % 79221 55 % 42272 68 % 10329 82 % 15306 98 % 158259 79 % 14517 78 % 3291 63 % 13712 87 % 1705000 98 % 34895 40 % 70916 99 % 79090 49 % 17224 31 % 45925 39 % 190733 27 % 112323 30 % 849 11 % 9322 -7 % 2847 18 % 22687 33 % 2987 -8 % 38192 0% 9979 -5 % 7351 -18 % 62008 8% 4471 28 % 1339725 18 % 127420 3% 1210193 43 %

Year after country if different, refs as in the previous table

Projections of population growth
According to projections, the world population will continue to grow until at least 2050, with the population reaching 9 billion in 2040, and some predictions putting the population in 2050 as high as 11 billion. According to the United Nations' World Population Prospects report:

The world population is currently growing by approximately 74 million people per year. Current United Nations predictions estimate that the world population

will reach 9.0 billion around 2050, assuming a decrease in average fertility rate from 2.5 down to 2.0. Almost all growth will take place in the less developed regions, where today's 5.3 billion population of underdeveloped countries is expected to increase to 7.8 billion in 2050. By contrast, the population of the more developed regions will remain mostly unchanged, at 1.2 billion. An exception is the United States population, which is expected to increase 44% from 305 million in 2008 to 439 million in 2050. In 2000-2005, the average world fertility was 2.65 children per woman, about half the level in 1950-1955 (5 children per woman). In the medium variant, global fertility is projected to decline further to 2.05 children per woman. During 2005-2050, nine countries are expected to account for half of the world's projected population increase: India, Pakistan, Nigeria, Democratic Republic of the Congo, Bangladesh, Uganda, United States, Ethiopia, and China, listed according to the size of their contribution to population growth. China would be higher still in this list were it not for its One Child Policy. Global life expectancy at birth, which is estimated to have risen from 46 years in 1950-1955 to 65 years in 2000-2005, is expected to keep rising to reach 75 years in 2045-2050. In the more developed regions, the projected increase is from 75 years today to 82 years by mid-century. Among the least developed countries, where life expectancy today is just under 50 years, it is expected to be 66 years in 2045-2050. The population of 51 countries or areas, including Germany, Italy, Japan and most of the successor States of the former Soviet Union, is expected to be lower in 2050 than in 2005. During 2005-2050, the net number of international migrants to more developed regions is projected to be 98 million. Because deaths are projected to exceed births in the more developed regions by 73 million during 2005-2050, population growth in those regions will largely be due to international migration. In 2000-2005, net migration in 28 countries either prevented population decline or doubled at least the contribution of natural increase (births minus deaths) to population growth. These countries include Austria, Canada, Croatia, Denmark, Germany, Italy, Portugal, Qatar, Singapore, Spain, Sweden, United Arab Emirates and United Kingdom. Birth rates are now falling in a small percentage of developing countries, while the actual populations in many developed countries would fall without immigration. By 2050 (Medium variant), India will have 1.6 billion people, China 1.4 billion, United States 439 million, Pakistan 309 million, Indonesia 280 million, Nigeria 259 million, Bangladesh 258 million, Brazil 245 million, Democratic Republic of the Congo 189 million, Ethiopia 185 million, Philippines 141 million, Mexico 132 million, Egypt 125 million, Vietnam 120 million, Russia 109 million, Japan 103 million, Iran 100 million, Turkey 99 million, Uganda 93 million, Tanzania 85 million, Kenya 85 million and United Kingdom 80 million.


• • • • •

Africa - 1.9 billion Asia - 5.2 billion Europe - 674 million Latin America & Caribbean - 765 million North America - 448 million

Walter Grilling projected in the 1950s that world population would reach a peak of about nine billion, in the 21st century, and then stop to grow, after a readjustment of the Third World and sanitation of the tropics. Recent extrapolations from available figures for population growth show that the population of Earth will stop increasing around 2070.

Demographic transition
The theory of demographic transition held that, after the standard of living and life expectancy increase, family sizes and birth rates decline. However, as new data has become available, it has been observed that after a certain level of development the fertility increases again. This means that both the worry the theory generated about aging populations and the complacency it bred regarding the future environmental impact of population growth are misguided. Factors cited in the old theory included such social factors as later ages of marriage, the growing desire of many women in such settings to seek careers outside child rearing and domestic work, and the decreased need of children in industrialized settings. The latter factors stem from the fact that children perform a great deal of work in smallscale agricultural societies, and work less in industrial ones; it has been cited to explain the decline in birth rates in industrializing regions.

Problems of Population Explosion
Carrying capacity There is wide variability both in the definition and in the proposed size of the Earth's carrying capacity, with estimates ranging from less than 1 to 1000 billion humans (1 trillion). Around two-thirds of the estimates fall in the range of 4 billion to 16 billion (with unspecified standard errors), with a median of about 10 billion. Resources

David Pimentel, Professor Emeritus at Cornell University, has stated that "With the imbalance growing between population numbers and vital life sustaining resources, humans must actively conserve cropland, freshwater, energy, and biological resources. There is a need to develop renewable energy resources. Humans everywhere must understand that rapid population growth damages the Earth's resources and diminishes human well-being."

Fresh water
Water crisis Fresh water supplies, on which agriculture depends, are running low worldwide. This water crisis is only expected to worsen as the population increases. Potential problems with dependence on desalination are reviewed below; however, the majority of the world's freshwater supply is contained in the polar icecaps, and underground river systems accessible through springs and wells. Fresh water can be obtained from salt water by desalination. For example, Malta derives two thirds of its freshwater by desalination. A number of nuclear powered desalination plants exist; however, the high costs of desalination, especially for poor countries, make impractical the transport of large amounts of desalinated seawater to interiors of large countries. The cost of desalinization varies; Israel is now desalinating water for a cost of 53 cents per cubic meter, Singapore at 49 cents per cubic meter. In the United States, the cost is 81 cents per cubic meter ($3.06 for 1,000 gallons).

Some scientists argue that there is enough food to support the world population, but critics dispute this, particularly if sustainability is taken into account. Many countries rely heavily on imports however. Egypt and Iran rely on imports for 40% of their grain supply. Yemen and Israel import more than 90%. And just 6 countries - Argentina, Australia, Canada, France, Thailand and the USA - supply 90% of grain exports. In recent decades the US alone supplied almost half of world grain exports. Global perspective

Growth in food production has been greater than population growth. Food per person increased during the 1961-2005 period. The amounts of natural resources in this context are not necessarily fixed, and their distribution is not necessarily a zero-sum game. For example, due to the Green Revolution and the fact that more and more land is appropriated each year from wild lands for agricultural purposes, the worldwide production of food had steadily increased up until 1995. World food production per person was considerably higher in 2005 than 1961. Africa In Africa, if current trends of soil degradation and population growth continue, the continent might be able to feed just 25% of its population by 2025, according to UNU's Ghana-based Institute for Natural Resources in Africa. Hunger and malnutrition kill nearly 6 million children a year, and more people are malnourished in sub-Saharan Africa this decade than in the 1990s, according to a report released by the Food and Agriculture Organization. Asia One survey says that nearly half of India's children are malnourished. According to a 2004 article from the BBC, China, the world's most populous country, suffers from an obesity epidemic. More recent data indicate China's grain production peaked in the mid 1990s, due to over extraction of groundwater in the North China plain. Other Countries Nearly half of India's children are malnourished, according to recent government data. Japan may face a food crisis that could reduce daily diets to the austere meals of the 1950s, believes a senior government adviser.

Population as a function of food availability
Thinkers such as David Pimentel, a professor from Cornell University, Virginia Abernethy, Alan Thorn hill, Russell Hoffenberg and author Daniel Quinn propose that like all other animals, human populations predictably grow and shrink according to their available food supply – populations grow in an abundance of food, and shrink in times of scarcity. Proponents of this theory argue that every time food production is increased, the population grows. Some human populations throughout history support this theory. Populations of hunter-gatherers fluctuate in accordance with the amount of available food. Population increased after the Neolithic Revolution and an increased food supply. This was

followed by subsequent population growth after subsequent agricultural revolutions.

As a result of water deficits
Water deficits, which are already spurring heavy grain imports in numerous smaller countries, may soon do the same in larger countries, such as China or India, if technology is not used. The water tables are falling in scores of countries (including Northern China, the US, and India) owing to widespread over drafting beyond sustainable yields. Other countries affected include Pakistan, Iran, and Mexico. This over drafting is already leading to water scarcity and cutbacks in grain harvest. Even with the over pumping of its aquifers, China has developed a grain deficit.

Percentages of the Earth's surface covered by water, dedicated to agriculture, under conversion, intact, and used for human habitation. While humans ourselves occupy only 0.5‰ of the Earth's land area, our effects are felt on one-quarter of the land. The World Resources Institute states that "Agricultural conversion to croplands and managed pastures has affected some 3.3 billion [hectares] — roughly 26 percent of the land area. All totaled, agriculture has displaced one-third of temperate and tropical forests and one-quarter of natural grasslands." Forty percent of the land area is under conversion and fragmented; less than one quarter, primarily in the Arctic and the deserts, remains intact. Usable land may become less useful through Stalinization, deforestation, desertification, erosion, and urban sprawl. Global warming may cause flooding of many of the most productive agricultural areas. The development of energy sources may also require large areas, for example, the building of hydroelectric dams. Thus, available useful land may become a limiting factor. By most estimates, at least half of cultivable land is already being farmed, and there are concerns that the remaining reserves are greatly overestimated.

Fossil fuels
Population optimists have been criticized for failing to take into account the depletion of the petroleum required for the production of fertilizers and fuel for transportation, as well as other fossil fuels. In his 1992 book Earth in the Balance, Al Gore wrote, "... it ought to be possible to establish a coordinated global program to accomplish the strategic goal of completely eliminating the internal combustion engine over, say, a twenty-five-year period..." Approximately half of the oil

produced in the United States is refined into gasoline for use in internal combustion engines.

Wealth and poverty
As the world's population has grown, the percentage of the world's population living on less than $1 per day (adjusted for inflation) has halved in 20 years. The graph shows the 1981-2001 periods. The United Nations indicates that about 850 million people are malnourished or starving, and 1.1 billion people do not have access to safe drinking water. Some argue that Earth may support 6 billion people, but only if many live in misery. The proportion of the world's population living on less than $1 per day has halved in 20 years, but these are inflation-unadjusted numbers and likely misleading. The UN Human Development Report of 1997 states: "During the last 15-20 years, more than 100 developing countries, and several Eastern European countries, have suffered from disastrous growth failures. The reductions in standard of living have been deeper and more long-lasting than what was seen in the industrialized countries during the depression in the 1930s Environment Overpopulation has substantially adversely impacted the environment of Earth starting at least as early as the 20th century. There are also economic consequences of this environmental degradation in the form of ecosystem services attrition. Beyond the scientifically verifiable harm to the environment, some assert the moral right of other species to simply exist rather than become extinct. Environmental author Jeremy Rifkin has said that "our burgeoning population and urban way of life have been purchased at the expense of vast ecosystems and habitats. ... It's no accident that as we celebrate the urbanization of the world, we are quickly approaching another historic watershed: the disappearance of the wild."

Urban areas with at least one million inhabitants in 2006. 3% of the world's population lived in cities in 1800, rising to 47% at the end of the twentieth century. In 1800 only 3% of the world's population lived in cities. By the 20th century's close, 47% did so. In 1950, there were 83 cities with populations exceeding one million; but by 2007, this had risen to 468 agglomerations of more than one million. If the trend continues, the world's urban population will double every 38 years, say researchers. The UN forecasts that today's urban population of 3.2 billion will rise to nearly 5 billion by 2030, when three out of five people will live in cities.

Effects of Population Explosion on Economic Development
Some problems associated with or exacerbated by human overpopulation:

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Inadequate fresh water for drinking water use as well as sewage treatment and effluent discharge. Some countries, like Saudi Arabia, use energy-expensive desalination to solve the problem of water shortages. Depletion of natural resources, especially fossil fuels Increased levels of air pollution, water pollution, soil contamination and noise pollution. Once a country has industrialized and become wealthy, a combination of government regulation and technological innovation causes pollution to decline substantially, even as the population continues to grow. Deforestation and loss of ecosystems that sustain global atmospheric oxygen and carbon dioxide balance; about eight million hectares of forest are lost each year. Changes in atmospheric composition and consequent global warming Irreversible loss of arable land and increases in desertification Deforestation and desertification can be reversed by adopting property rights, and this policy is successful even while the human population continues to grow. Mass species extinctions. from reduced habitat in tropical forests due to slashand-burn techniques that sometimes are practiced by shifting cultivators, especially in countries with rapidly expanding rural populations; present extinction rates may be as high as 140,000 species lost per year. As of 2008, the IUCN Red List lists a total of 717 animal species having gone extinct during recorded human history. High infant and child mortality. High rates of infant mortality are caused by poverty. Rich countries with high population densities have low rates of infant mortality. Intensive factory farming to support large populations. It results in human threats including the evolution and spread of antibiotic resistant bacteria diseases, excessive air and water pollution, and new viruses that infect humans. Increased chance of the emergence of new epidemics and pandemics For many environmental and social reasons, including overcrowded living conditions, malnutrition and inadequate, inaccessible, or non-existent health care, the poor are more likely to be exposed to infectious diseases. Starvation, malnutrition or poor diet with ill health and diet-deficiency diseases (e.g. rickets). However, rich countries with high population densities do not have famine. Poverty coupled with inflation in some regions and a resulting low level of capital formation. Poverty and inflation are aggravated by bad government and bad economic policies. Many countries with high population densities have eliminated absolute poverty and keep their inflation rates very low. Low life expectancy in countries with fastest growing populations

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Unhygienic living conditions for many based upon water resource depletion, discharge of raw sewage and solid waste disposal. However, this problem can be reduced with the adoption of sewers. For example, after Karachi, Pakistan installed sewers, its infant mortality rate fell substantially. Elevated crime rate due to drug cartels and increased theft by people stealing resources to survive Conflict over scarce resources and crowding, leading to increased levels of warfare Less Personal Freedom / More Restrictive Laws. Laws regulate interactions between humans. Law "serves as a primary social mediator of relations between people."

Some economists, such as Thomas Sowell and Walter E. Williams argue that third world poverty and famine are caused in part by bad government and bad economic policies. Most biologists and sociologists see overpopulation as a serious threat to the quality of human life.

Overpopulation and warfare
The hypothesis that population pressure causes increased warfare (youth bulge theory) has been recently criticized on the empirical grounds. Both studies focusing on specific historical societies and analyses of cross-cultural data have failed to find positive correlation between population density and incidence of warfare.

Mitigation measures
While the current world trends are not indicative of any realistic solution to human overpopulation during the 21st century, there are several mitigation measures that have or can be applied to reduce the adverse impacts of overpopulation. All of these mitigations are ways to implement social norms. Overpopulation is an issue that threatens the state of the environment in the above-mentioned ways and therefore societies must make a change in order to reverse some of the environmental effects brought on by current social norms. In societies like China, the government has put policies in place that regulate the number of children allowed to a couple. Other societies have already begun to implement social marketing strategies in order to educate the public on overpopulation effects.

Birth regulations
Religious views on birth control Overpopulation is related to the issue of birth control; some nations, like the People's Republic of China, use strict measures to reduce birth

rates. Religious and ideological opposition to birth control has been cited as a factor contributing to overpopulation and poverty. Some leaders and environmentalists (such as Ted Turner) have suggested that there is an urgent need to strictly implement a China-like onechild policy globally by the United Nations, because this would help control and reduce population gradually.

Education and empowerment
One option is to focus on education about overpopulation, family planning, and birth control methods, and to make birth-control devices like male/female condoms, pills and intrauterine devices easily available. Worldwide, nearly 40% of pregnancies are unintended (some 80 million unintended pregnancies each year). An estimated 350 million women in the poorest countries of the world either did not want their last child, do not want another child or want to space their pregnancies, but they lack access to information, affordable means and services to determine the size and spacing of their families. In the developing world,

Extraterrestrial settlement
In the 1970s, Gerard O'Neill suggested building space habitats that could support 30,000 times the carrying capacity of Earth using just the asteroid belt and that the Solar System as a whole could sustain current population growth rates for a thousand years. Marshall Savage (1992, 1994) has projected a human population of five quintillion throughout the Solar System by 3000, with the majority in the asteroid belt. Freeman Dyson (1999) favors the Kuiper belt as the future home of humanity,

Bangladesh, officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma (Myanmar) to the far southeast and by the Bay of Bengal to the south. Together with the Indian state of West Bengal, it makes up the ethno-linguistic region of Bengal. The name Bangladesh means "Country of Bengal" in the official Bengali language. The borders of present-day Bangladesh were established with the partition of Bengal and India in 1947, when the region became East Pakistan, part of the newly formed nation of Pakistan. However, it was separated from the western wing by 1,600 km (994 mi) of Indian

territory. Due to political exclusion, ethnic and linguistic discrimination, and economic neglect by the politically-dominant West Pakistan, popular agitation grew against West Pakistan and led to the Bangladesh Liberation War in 1971, which the Bengali people won with the support of India. After independence, the new state endured famines, natural disasters and widespread poverty, as well as political turmoil and military coups. The restoration of democracy in 1991 has been followed by relative calm and economic progress. The economy of Bangladesh is a rapidly developing market-based economy. Its per capita income in 2010 was est. US$1,700 (adjusted by purchasing power parity). According to the International Monetary Fund, Bangladesh ranked as the 47th largest economy in the world in 2010 in PPP terms and 57th largest in nominal terms, among the Next Eleven or N-11 of Goldman Sachs and D-8 economies, with a gross domestic product of US$269.3 billion in PPP terms and US$104.9 billion in nominal terms. The economy has grown at the rate of 6-7% p.a. over the past few years. More than half of the GDP belongs to the service sector, a major number of nearly half of Bangladeshis are employed in the agriculture sector, with RMG, textiles, leather, jute, fish, vegetables, leather and leather goods, ceramics, fruits as other important produce. Improving at a very fast rate, infrastructure to support transportation, communications, power supply and water distribution are rapidly developing. Bangladesh is limited in its reserves of oil, but recently there was huge development in gas and coal mining. The service sector has expanded rapidly during last two decades, the country's industrial base remains very positive. The country's main endowments include its vast human resource base, rich agricultural land, relatively abundant water, and substantial reserves of natural gas, with the blessing of possessing the worlds only natural sea ports in Mongla and Chittagong, in addition to being the only central port linking two large burgeoning economic hub groups SAARC and ASEAN.

Economic history
East Bengal—the eastern segment of Bengal, a region that is today Bangladesh—was a prosperous region of South Asia until modern times. It had the advantages of a mild, almost tropical climate, fertile soil, ample water, and an abundance of fish, wildlife, and fruit. The standard of living compared favorably with other parts of South Asia. As early as the thirteenth century, the region was developing as an agrarian economy. It was not entirely without commercial centers, and Dhaka in particular grew into an important entrepôt during the Mughal

Empire. The British, however, on their arrival in the late eighteenth(18th) century, chose to develop Calcutta, now the capital city of West Bengal, as their commercial and administrative center in South Asia. The development of East Bengal was thereafter limited to agriculture. The administrative infrastructure of the late eighteenth and nineteenth centuries reinforced East Bengal's function as the primary agricultural producer—chiefly of rice, tea, teak, cotton, cane and jute—for processors and traders from around Asia and beyond. After its independence from Pakistan, Bangladesh followed a socialist economy by nationalizing all industries, proving to be a critical blunder undertaken by Awami League's Mujib Government following India's policy. Education policies of the British dating back from colonial era deprived education to millions of Bangla's Muslim peoples setting them back by decades. Some of the same factors that had made East Bengal a prosperous region became disadvantages during the nineteenth and twentieth centuries. As life expectancy increased, the limitations of land and the annual floods increasingly became constraints on economic growth. Preponderance on traditional agricultural methods became obstacles to the modernization of agriculture. Geography severely limited the development and maintenance of a modern transportation and communications system.

Macro-economic trend
This is a chart of trend of gross domestic product of Bangladesh at market prices estimated by the International Monetary Fund with figures in millions of Bangladeshi Taka. However, this reflects only the formal sector of the economy. Gross Domestic US Dollar Inflation Index Per Capita Income Year Product Exchange (2000=100) (as % of USA) 1980 250,300 16.10 Taka 20 1.79 1985 597,318 31.00 Taka 36 1.19 1990 1,054,234 35.79 Taka 58 1.16 1995 1,594,210 40.27 Taka 78 1.12 2000 2,453,160 52.14 Taka 100 0.97 2005 3,913,334 63.92 Taka 126 0.95 2008 5,003,438 68.65 Taka 147 Mean wages were $0.58 per manhour in 2009.

Economic outlook
Efforts to achieve Bangladesh's macroeconomic goals have been problematic mostly due to various factors including the country's large population, corruption within the government, power shortages etc.

The privatization of public sector industries has proceeded at a slow pace—due in part to worker unrest in affected industries—although on June 30, 2010, the government took a bold step as it closed down the Adamjee Jute Mill, the country's largest and most costly state-owned enterprise. The government also has proven unable to resist demands for wage hikes in government-owned industries. Access to capital is impeded. State-owned banks, which control about three-fourths of deposits and loans, carry classified loan burdens of about 50%.

Economic sectors
Agriculture of Bangladesh Most Bangladeshis earn their living from agriculture. Although rice and jute are the primary crops, maize and vegetables are assuming greater importance. Due to the expansion of irrigation networks, some wheat producers have switched to cultivation of maize which is used mostly as poultry feed. Tea is grown in the northeast. Because of Bangladesh's fertile soil and normally ample water supply, rice can be grown and harvested three times a year in many areas.

Manufacturing & Industry
Many new jobs - mostly for women - have been created by the country's dynamic private ready-made garment industry, which grew at double-digit rates through most of the 1990s. By the late 1990s, about 1.5 million people, mostly women, were employed in the garments sector as well as Leather products specially Footwear (Shoe manufacturing unit). During 2001-2002, export earnings from readymade garments reached $3,125 million, representing 52% of Bangladesh's total exports. Bangladesh has overtaken India in apparel exports in 2009, its exports stood at 2.66 billion US dollar, ahead of India's 2.27 billion US dollar. Eastern Bengal was known for its fine muslin and silk fabric before the British period.

Textile sector
Bangladesh's textile industry, which includes knitwear and ready-made garments along with specialized textile products, is the nation's number one export earner, accounting for 80% of Bangladesh's exports of $15.56 billion in 2009. Bangladesh is 3rd in world textile exports behind Turkey, another low volume exporter, and China which exported $120.1 billion worth of textiles in 2009.

The stock market capitalization of the Dhaka Stock Exchange in Bangladesh crossed $10 billion in November 2007 and the $30 billion dollar mark in 2009, and USD 50 billion in August 2010. Bangladesh had one of the best performing stock markets in the world during the recent global recession, due to relatively low correlations with developed country stock markets. Major investment in real estate by domestic and foreign-resident Bangladeshis has led to a massive building boom in Dhaka and Chittagong.

External trade
The Bangladesh Garments Manufacturers and Exporters Association (BGMEA) has predicted textile exports will rise from US$7.90 billion earned in 2005-06 to US$15 billion by 2011. In part this optimism stems from how well the sector has fared since the end of textile and clothing quotas, under the Multiform Agreement, in early 2005. According to a United Nations Development Programmed report "Sewing Thoughts: How to Realize Human Development Gains in the Post-Quota World" Bangladesh has been able to offset a decline in European sales by cultivating new markets in the United States. Sylhet is fast becoming a major center of retailing in Bangladesh, with many shopping centers being built by expatriates to serve fellow expatriates visiting Sylhet and the emerging middle class. Many of these developments hark back to Britain. Bangladesh has made significant strides in its economic sector performance since independence in 1971. Although the economy has improved vastly in the 1990s, Bangladesh still suffers in the area of foreign trade in South Asian region. Despite major impediments to growth like the inefficiency of state-owned enterprises, a rapidly growing labor force that cannot be absorbed by agriculture, inadequate power supplies, and slow implementation of economic reforms, A population is all the organisms that both belong to the same species and live in the same geographical area. The area that is used to define the population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals from other areas. Normally breeding is substantially more common within the area than across the border.

Population genetics

In population genetics a population is a set of organisms in which any pair of members can breed together. This implies that all members belong to the same species and live near each other.

World human population
As of 15 August 2011, the world population is estimated by the United States Census Bureau to be 6.938 billion.


population growth Population growth increased significantly as the Industrial Revolution gathered pace from 1700 onwards. The last 50 years have seen a yet more rapid increase in the rate of population growth due to medical advances and substantial increases in agricultural productivity, particularly beginning in the 1960s, made by the Green Revolution.

Human population control Human population control is the practice of artificially altering the rate of growth of a human population. Historically, human population control has been implemented by limiting the population's birth rate, usually by government mandate, and has been undertaken as a response to factors including high or increasing levels of poverty, environmental concerns, religious reasons, and overpopulation. While population control can involve measures that improve people's lives by giving them greater control of their reproduction, some programs have exposed them to exploitation.

Dr. Md. Abdul Hannan. Bibliography • • • Wikipedia – Online Encyclopedia Microsoft Encarta Reference Library Google Search Engine

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