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Zero population growth for a country occurs when the sum of these four numbers – births minus deaths plus immigration minus emigration - is zero. To illustrate, suppose a country begins the year with one million people and during the year experiences 85,000 births, 86,000 deaths, 1,500 immigrants and 500 emigrants.
Californians for Population Stabilization; Center for Biological Diversity; Earth Policy Institute; National Commission for the Observance of World Population Year 1974; Negative Population Growth; NumbersUSA; Population Action International; Population Balance; Population Connection (called Zero Population Growth until 2002) Population Council
Population Connection was founded in 1968 under the name "Zero Population Growth" or ZPG by Paul R. Ehrlich, Richard Bowers, and Charles Remington in the wake of Paul and Anne Ehrlich's influential but controversial book The Population Bomb. The organization adopted its current name in 2002.
The table below shows annual population growth rate history and projections for various areas, countries, regions and sub-regions from various sources for various time periods. The right-most column shows a projection for the time period shown using the medium fertility variant. Preceding columns show actual history.
Many studies have tried to estimate the world's sustainable population for humans, that is, the maximum population the world can host. [5] A 2004 meta-analysis of 69 such studies from 1694 until 2001 found the average predicted maximum number of people the Earth would ever have was 7.7 billion people, with lower and upper meta-bounds at 0.65 and 9.8 billion people, respectively.
Satellite imaging of Cartí Sugtupu, Panama in 2022, showing rising sea levels submerging the island and forcing hundreds of indigenous Guna people to relocate.. This article lists several areas, regions, and municipalities that have either been completely or markedly depopulated, or are involved in plans for depopulation or relocation due to anthropogenic climate change.
The HuffPost/Chronicle analysis found that subsidization rates tend to be highest at colleges where ticket sales and other revenue is the lowest — meaning that students who have the least interest in their college’s sports teams are often required to pay the most to support them.
Column four is from the UN Population Division [3] and shows a projection for the average natural increase rate for the time period shown using the medium fertility variant. Blank cells in column four indicate lack of data. Note: Rates below are per 1000 population. Location links are Demographics of LOCATION links.