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World Population Day. World Population Day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues. The event was established by the Governing Council of the United Nations Development Programme in 1989. [2] It was inspired by the public interest in Five Billion Day on July 11, 1987, the ...
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.
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.
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.
7 Billion Actions is a worldwide campaign established by the United Nations Population Fund (UNFPA) in 2011 to commemorate the world population milestone of 7 billion people. UNFPA is a United Nations organization that works on population and development issues, with an emphasis on reproductive health and gender equality. [1] 7 Billion Actions works with multiple corporations, organizations ...
Historical demography is the quantitative study of human population in the past. It is concerned with population size, with the three basic components of population change ( fertility, mortality, and migration ), and with population characteristics related to those components, such as marriage, socioeconomic status, and the configuration of ...
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 ...
Demographics of the world. 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 almost 2.8 billion in the countries of India and China combined.