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In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 years more to reach 8 billion.
Demographics of the world. Earth has a human population of over 8 billion as of 2024, with an overall population density of 50 people per km 2 (130 per sq. mile). Nearly 60% of the world's population lives in Asia, with more than 2.8 billion in the countries of India and China combined.
This is a 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. [2]
Some of that can be attributed to people living longer, but family size remains the driving factor. Women in sub-Saharan Africa on average have 4.6 births, twice the current global average of 2.3.
Per Forbes (April 2024) [1]; Rank Rank per capita Country/Territory Billionaires Rate - World 2,781: 0.343 1 11 United States 813: 2.420 2 53 China 406: 0.288 3 58 India 200: 0.144
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] Old estimates put the global population at 9 billion by 2037–2046, 14 years after 8 billion, and 10 billion by 2054–2071, 17 years after 9 billion; however these ...
Arthur C. Clarke in 2001: A Space Odyssey (1968) has the claim that "Behind every man, now alive stand 30 ghosts, for that is the ratio by which the dead outnumber the living", which was roughly accurate at the time of writing. [9] [10] Recent estimates of the "total number of people who have ever lived" are in the order of 100 billion.
Currently, 757 million humans live in the 101 largest cities; [39] these cities are home to 11% of the world's population. [39] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [39] the percentage of people living in the 101 largest cities is estimated to be 15% to 23 ...