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In world demographics, the world population is the total number of humans currently living. 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.
An estimate on the "total number of people who have ever lived" as of 1995 was calculated by Haub (1995) at "about 105 billion births since the dawn of the human race" with a cut-off date at 50,000 BC (beginning of the Upper Paleolithic), and inclusion of a high infant mortality rate throughout pre-modern history.
List of countries by population (United Nations) 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 2022 revision of World Population Prospects. It presents population estimates from 1950 to the present. [2]
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. one billion in 1804. two billion in 1927. three billion in 1960. four billion in 1974. five billion in 1987. six billion in 1999.
The world's population is projected to hit an estimated 8 billion people on Tuesday, Nov. 15, according to a United Nations projection. (AP Photo/Rafiq Maqbool) (ASSOCIATED PRESS)
Projections of population growth. 1. World population growth 1700–2100, 2022 projection. Population projections are attempts to show how the human population statistics might change in the future. [1] These projections are an important input to forecasts of the population's impact on this planet and humanity's future well-being. [2]
The current world population growth is approximately 1.09%. 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. The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.
Population growth is the increase in the number of people in a population or dispersed group. Actual global human population growth amounts to around 83 million annually, or 1.1% per year. [2] The global population has grown from 1 billion in 1800 to 7.9 billion in 2020. [3] The UN projected population to keep growing, and estimates have put ...