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Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
In just one hundred years, the population of Brazil decupled (x10), from about 17 million in 1900, or about 1% of the world population in that year, to about 176 million in 2000, or almost 3% of the global population in the very early 21st century. Mexico's population grew from 13.6 million in 1900 to about 112 million in 2010.
Year World 1.17: 0.9: 1.23: 1.19: 1.09 ... The 20 countries in the world in which the population has declined between 2010 and 2015. Historical population growth rate ...
English: World population chart, from 1800 to 2100 — showing both estimates and actual population counts. World population estimates from 1800 to 2100, based on: United Nations projections (in 2010) — "high" (colored red), "medium" (orange), and "low" (green) U.S. Census Bureau (historical estimates) — (colored black). Actual recorded ...
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. [5]
[3] [4] Old estimates put the global population at 9 billion by 2037–2046, 14 years after 8 billion, and 10 billion by 2032–2052, 18 years after 9 billion; however these milestones are likely to be reached far sooner.
A baby born today will be the 8th billion human on the planet, according to a United Nations projection. It expects India to overtake China as the world's most populous nation next year.
This is the list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present.