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Over the 8,000-year period up to 1 A.D. it grew to 200 million (some estimate 300 million or even 600, suggesting how imprecise population estimates of early historical periods can be), with a growth rate of under 0.05% per year. Top 20 Largest Countries by Population (live). World population has doubled (100% increase) in 40 years from 1959 (3 billion) to 1999 (6 billion). The above world population clock is based on the latest estimates released in June of 2019 by the United Nations and will show the same number wherever you are in the world and whatever time you set on your PC. N.A. when the ancestors of Homo sapiens appeared, or several million years ago when hominids were present), taking into account that all population data are a rough estimate, and assuming a constant growth rate applied to each period up to modern times, it has been estimated that a total of approximately 106 billion people have been born since the dawn of the human species, making the population currently alive roughly 6% of all people who have ever lived on planet Earth. World population is expected to reach 9 billion in the year 2037. It is now estimated that it will take another nearly 40 years to increase by another 50% to become 9 billion by 2037. At the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. It took over 2 million years of human history for the world's population to reach 1 billion, and only 200 years more to reach 7 billion. During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion. World population is expected to reach 8 billion people in 2023 according to the United Nations (in 2026 according to the U.S. Census Bureau). Others have estimated the number of human beings who have ever lived to be anywhere from 45 billion to 125 billion, with most estimates falling into the range of 90 to 110 billion humans. 3,090,840. The chart above illustrates how world population has changed throughout history. But once an estimate is made (based on the best data and analysis available), the world population clock should be showing the same number at any given time anywhere around the world. Annual growth rate reached its peak in the late 1960s, when it was at around 2%. The chart above illustrates how world population has changed throughout history. At the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. The rate of increase has nearly halved since then, and will continue to decline in the coming years. Courtesy of Junuxx at en.wikipedia [CC-BY-SA-3.0 or GFDL], via Wikimedia Commons. 0.03 %. Blog - Follow us on Twitter - Buy a poster - Contact us by email, © December 2019 by PopulationPyramid.net, made available under a Creative Commons license CC BY 3.0 IGO: http://creativecommons.org/licenses/by/3.0/igo/, Population Pyramids of the World from 1950 to 2100, Less developed regions, excluding least developed countries, Comparison of carbon emissions per country, List of countries ordered by their population size, Origin of the migrants stocks per country, Adolescent fertility rate (births per 1,000 women ages 15-19), Age dependency ratio (% of working-age population), Antiretroviral therapy coverage for PMTCT (% of pregnant women living with HIV), Antiretroviral therapy coverage (% of people living with HIV), Births attended by skilled health staff (% of total), Children with fever receiving antimalarial drugs (% of children under age 5 with fever), Completeness of death registration with cause-of-death information (%), Diabetes prevalence (% of population ages 20 to 79), Diarrhea treatment (% of children under 5 receiving oral rehydration and continued feeding), GNI per capita, Atlas method (current US$), Health expenditure per capita (current US$), Immunization, BCG (% of one-year-old children) - Turberculosis, Immunization, DPT (% of children ages 12-23 months) - Diphtheria, pertussis (whooping cough), and Tetanus, Immunization, HepB3 (% of one-year-old children) - Hepatitis B, Immunization, Hib3 (% of children ages 12-23 months) - Meningitis, Pneumonia, and Epiglottitis, Immunization, measles (% of children ages 12-23 months), Immunization, Polio (% of one-year-old children), Incidence of HIV (% of uninfected population ages 15-49), Incidence of malaria (per 1,000 population at risk), Incidence of tuberculosis (per 100,000 people), Labor force, female (% of total labor force), Literacy rate, adult female (% of females ages 15 and above), Literacy rate, adult total (% of people ages 15 and above), Literacy rate, youth male (% of males ages 15-24), People practicing open defecation, urban (% of urban population), Population ages 65 and above (% of total), Prevalence of HIV, total (% of population ages 15-49), Prevalence of overweight, female (% of female adults), Prevalence of overweight, male (% of male adults), Prevalence of overweight (% of children under 5), Prevalence of syphilis (% of women attending antenatal care), Public spending on education, total (% of GDP), Risk of impoverishing expenditure for surgical care (% of people at risk), School enrollment, secondary, male (% net), Sex ratio at birth (male births per female births), Smoking prevalence, females (% of adults), Suicide mortality rate (per 100,000 population), Tuberculosis death rate (per 100,000 people), Unemployment, total (% of total labor force), http://creativecommons.org/licenses/by/3.0/igo/. 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