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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

World Population to 2300

Author: United Nations Department of Economic and Social Affairs
Organisation: United Nations Department of Economic and Social Affairs
Publish Date: 2004
Country: Global
Sector: Social Development
Method: Forecasting
Theme: Public Good
Language: English
Tags: World population, Population growth, Growth rates, Declines, Population density, Ageing populations

The Population Division of the Department of Economic and Social Affairs (DESA) of the United Nations released its new projections of world population in the year 2300. These new long-range results are groundbreaking in two respects: they extend the time horizon to 2300 (previous long-range projections were to 2150) and they include country forecasts (previously, long-range projections were available by continent only). Such long-reaching projections are needed by environmental scientists, policy makers and others who assess the long-term implications of demographic trends. According to the medium scenario of these projections (in which world fertility levels will eventually stabilize at around two children per woman), world population will rise from the current 6.3 billion persons to around 9 billion persons in 2300. However, even small variations in fertility levels will have enormous impacts in the long-term. As little as one-quarter of a child under the two-child norm, or one-quarter of a child above the norm, results in world population ranging from 2.3 billion (low variant) to 36.4 billion (high variant) in 2300. Another scenario (constant scenario), undertaken for the sake of illustration, finds that if fertility levels remain unchanged at today’s levels, world population would rise to 244 billion persons in 2150 and 134 trillion in 2300, clearly indicating that current levels of high fertility cannot continue indefinitely.
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