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  2. Estimates of historical world population - Wikipedia

    As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.

  3. Demographics of the world - Wikipedia

    Demographics of the world. 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 ...

  4. World population - Wikipedia

    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 ...

  5. Population pyramid - Wikipedia

    A population pyramid (age structure diagram) or " age-sex pyramid " is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1] Males are usually shown on the left and females on the right ...

  6. List of countries by population growth rate - Wikipedia

    This article includes a table of countries and subnational areas by annual population growth rate. Methodology[edit] The table below shows annual population growth rate history and projections for various areas, countries, regions and sub-regions from various sources for various time periods.

  7. World population milestones - Wikipedia

    World population milestones Estimated (to 2011) and projected (from 2012) populations of the world and its inhabited continents. The shaded regions correspond to range of projections by the United Nations Department of Economic and Social Affairs; [1]

  8. Population growth - Wikipedia

    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 ...

  9. Projections of population growth - Wikipedia

    World population projections Estimates of population levels in different continents between 1950 and 2050, according to the United Nations (2011 edition). The vertical axis is logarithmic and is in millions of people. UN estimates (as of 2017) for world population by continent in 2000 and in 2050 (pie chart size to scale).