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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.
Population density is the number of people per unit of area, usually transcribed as "per square kilometer" or square mile, and which may include or exclude, for example, areas of water or glaciers. Commonly this is calculated for a county, city, country, another territory or the entire world. The world's population is around 8,000,000,000 [3 ...
Demographics of Earth. Population pyramid of the world in 2022 by the UN. Population. Over 8,120,531,329 (estimated) Fertility rate. 2.27 (2021) 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 ...
Population geography. Satellite image of Earth at night. Population geography relates to variations in the distribution, composition, migration, and growth of populations. Population geography involves demography in a geographical perspective. [a] It focuses on the characteristics of population distributions that change in a spatial context.
This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. The list also includes unrecognized but de facto independent countries.
Animated population pyramid since 1989 Ukrainian population density by raion. According to the United Nations, Ukraine has a population of 37.9 million as of 2024. [5]In July 2023, Reuters reported that due to refugee outflows, the population of Ukrainian-controlled areas may have decreased to 28 million, [6] a steep decline from Ukraine's 2020 population of almost 42 million.
Demographics of Russia. Pop. As of the 2021 census, the population of Russia was 147.2 million. [ 12 ] It is the most populous country in Europe, and the ninth-most populous country in the world, with a population density of 8.5 inhabitants per square kilometre (22 inhabitants/sq mi). [ 13 ] As of 2020, the overall life expectancy in Russia at ...
On April 1, 2020, the United States had a population of 331,449,281, according to the 2020 United States census. [ 31 ] The following demographic statistics are from the CIA World Factbook estimated as of 2018 [update], [ 5 ] unless otherwise indicated. Graphs are unavailable due to technical issues.