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The combined population of both China and India is estimated to be over 2.8 billion people as of 2022. Asia's population is projected to grow to 5.25 billion by 2055, or about 54% of projected world population at that time. [1] Population growth in Asia was close to 0.55% p.a. as of 2022, with highly disparate
The 2022 projections from the United Nations Population Division (chart #1) show that annual world population growth peaked at 2.3% per year in 1963, has since dropped to 0.9% in 2023, equivalent to about 74 million people each year, and could drop even further to minus 0.1% by 2100. [4]
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.
The current world population growth is approximately 1.09%. [7] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
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.
The list is based on CIA World Factbook estimates for the year 2023. All sovereign states with United Nations membership and territory in Asia are included on the list apart from those who are also members of the Council of Europe. In addition, the list includes the special administrative regions of China (Hong Kong and Macao).
Population growth in the Western world became more rapid after the introduction of vaccination and other improvements in medicine and sanitation. [43] Improved material conditions led to the population of Britain increasing from 10 million to 40 million in the 19th century. [44] The population of the United Kingdom reached 60 million in 2006. [45]
(2011) World population growth rates between 1950 and 2050. The world population growth rate peaked in 1963 at 2.2% per year and subsequently declined. [11] In 2017, the estimated annual growth rate was 1.1%. [30] The CIA World Factbook gives the world annual birthrate, mortality rate, and growth rate as 1.86%, 0.78%, and 1.08% respectively. [31]