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. World population milestones went unnoticed until the 20th century, since there was no reliable data on global population dynamics [2] the population of the world reached [3][4] 1 billion in 1804 2 billion in 1927 3 billion in 1960 4 billion in 1974 5 billion in 1987 6 billion in 1999 7 billion in 2011 8 billion in 2022 old estimates put the global population at In world demographics, the world population is the total number of humans currently alive
It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 more years to reach 8 billion. Chart created by our world in data in 2024 This article contains a list of countries by past and projected future population This assumes that countries stay constant in the. Earth has a human population of over 8.2 billion as of 2025, with an overall population density of 50 people per km 2 (130 per sq Nearly 60% of the world's population lives in asia, with more than 2.8 billion in the countries of india and china combined.
Thomlinson, ralph, 1975, demographic problems, controversy over population control, second edition, table 1. Projections of global human population are generally based on birth rates and death rates, and since these are difficult to predict very far into the future, forecasts of global population numbers and growth rates have changed over time. Made using gnumeric (using the chart tool and the data) and tweaked using inkscape Designed to be very similar to the original png version chart If things go according to plan, i'll teach myself how to use gnuplot and make a version with that (and post the source code) which probably won't look like the original version.
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