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  2. Estimates of historical world population - Wikipedia

    en.wikipedia.org/wiki/Estimates_of_historical...

    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.

  3. World population - Wikipedia

    en.wikipedia.org/wiki/World_population

    High, medium, and low projections of the future human world population [1] 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 ...

  4. World population milestones - Wikipedia

    en.wikipedia.org/wiki/World_population_milestones

    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.

  5. Demographic history - Wikipedia

    en.wikipedia.org/wiki/Demographic_history

    Demographic history is the reconstructed record of human population in the past. Given the lack of population records prior to the 1950s, there are many gaps in our record of demographic history. Historical demographers must make do with estimates, models and extrapolations. For the demographic methodology, see historical demography .

  6. List of largest empires - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_empires

    The British Empire (red) and Mongol Empire (blue) were the largest and second-largest empires in history, respectively. The precise extent of the Mongol Empire at its greatest territorial expansion is a matter of debate among scholars. Several empires in human history have been contenders for the largest of all time, depending on definition and ...

  7. Population growth - Wikipedia

    en.wikipedia.org/wiki/Population_growth

    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 8 billion in 2024. [3] The UN projected population to keep growing, and estimates have put the ...

  8. Demographics of the world - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_the_world

    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.

  9. List of countries by population (United Nations) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    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 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present. [2]