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  2. Estimates of historical world population - Wikipedia

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

    Graph of world population over the past 12,000 years . 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. World population milestones - Wikipedia

    en.wikipedia.org/wiki/World_population_milestones

    Long-range predictions to 2055 range from a population decline to 3.2 billion in the 'low scenario', to 'high scenarios' of 24.8 billion. One scenario predicts a massive increase to 256 billion by 2050, assuming fertility remains at 1995 levels. [6]

  4. List of population milestones by country - Wikipedia

    en.wikipedia.org/wiki/List_of_population...

    This is a list of population milestones by country (and year first reached). Only existing countries are included, not former countries. ... This page was last edited ...

  5. World population - Wikipedia

    en.wikipedia.org/wiki/World_population

    Estimates of world population by their nature are an aspect of modernity, possible only since the Age of Discovery.Early estimates for the population of the world [10] date to the 17th century: William Petty, in 1682, estimated the world population at 320 million (current estimates ranging close to twice this number); by the late 18th century, estimates ranged close to one billion (consistent ...

  6. Population growth - Wikipedia

    en.wikipedia.org/wiki/Population_growth

    The majority of world population growth today is occurring in less developed countries. According to United Nations population statistics, the world population grew by 30%, or 1.6 billion humans, between 1990 and 2010. [39] In number of people the increase was highest in India (350 million) and China (196 million).

  7. Human population projections - Wikipedia

    en.wikipedia.org/wiki/Human_population_projections

    As of 2016, 757 million people live in the 101 largest cities; [41] these cities are home to 11% of the world's population. [41] By the end of the century, the world population is projected to grow, with estimates ranging from 6.9 billion to 13.1 billion; [41] the percentage of people living in the 101 largest cities is estimated to be 15% to ...

  8. Demographic history - Wikipedia

    en.wikipedia.org/wiki/Demographic_history

    1500 world population 400-500 million; 1600 world population 500-600 million; 1700 world population 600-700 million; 1800 world population 850-950 million; In the 18th century world population entered a period of accelerated growth. European population reached a peak growth rate of 10 per thousand per year in the second half of the 19th century.

  9. List of epidemics and pandemics - Wikipedia

    en.wikipedia.org/wiki/List_of_epidemics_and...

    Percentage of population lost Years Location 1 1918 Flu: Influenza A/H1N1: 17–100 million 1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS: 44 million (as of 2025) –