[5][6] for the time of speciation of homo sapiens, some 200,000 years ago, an effective population size of the order of. [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 World population milestones went unnoticed until the 20th century, since there was no reliable data on global population dynamics
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[2] the population of the world reached
[3][4] 1 billion in 1804 2 billion in 1928 3 billion in 1961 4 billion in 1975 5 billion in 1988 6 billion in 1999 7 billion in 2011 8 billion in 2022 old estimates put the global population at
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it If the file has been modified from its original state, some details may not fully reflect the modified file. 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.
In the 18th century world population entered a period of accelerated growth European population reached a peak growth rate of 10 per thousand per year in the second half of the 19th century. The current world population growth is approximately 1.09%
