Robust population data exist only for the last two or three centuries [2] the population of the world reached Until the late 18th century, few governments had ever performed an accurate census.
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The current world population growth is approximately 1.09%
[5] 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
[5] the world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today Chart created by our world in data in 2024 This article contains a list of countries by past and projected future population. This is a list of countries by population in 1900, with colonial possessions being counted towards the ruling country's total (such as poland counting towards russia and cuba counting as part of the united states).
[3] models of population growth take. Visual comparison of the world population in past and present estimates of world population by their nature are an aspect of modernity, possible only since the age of discovery Early estimates for the population of the world [10] date to the 17th century William petty, in 1682, estimated the world population at 320 million (current estimates ranging close to twice this number)
World population milestones went unnoticed until the 20th century, since there was no reliable data on global population dynamics
