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The table starts counting approximately 10,000 years before present, or around 8,000 BC, during the middle Greenlandian, about 1,700 years after the end of the Younger Dryas and 1,800 years before the 8.2-kiloyear event. From the beginning of the early modern period until the 20th century, world population has been characterized by a rapid growth.
The median age of the world's population is estimated to be 31 years in 2020, [9] and is expected to rise to 37.9 years by 2050. [ 73 ] According to the World Health Organization , the global average life expectancy is 73.3 years as of 2020, with women living an average of 75.9 years and men approximately 70.8 years. [ 74 ]
Date: 8 June 2012 - date of first upload to the Commons. See file history for later upload dates. Source: based on file:World-Population-1800-2100.png, but converted to SVG using original data from U.N. 2010 projections and US Census Bureau historical estimates
[citation needed] United Nations Population Fund spokesman Omar Gharzeddine disputed the date of the Day of Six Billion by stating, "The U.N. marked the '6 billionth' [person] in 1999, and then a couple of years later the Population Division itself reassessed its calculations and said, actually, no, it was in 1998." [12]
The 2022 projections from the United Nations Population Division (chart #1) show that annual world population growth peaked at 2.3% per year in 1963, has since dropped to 0.9% in 2023, equivalent to about 74 million people each year, and could drop even further to minus 0.1% by 2100. [103]
John F. Richards estimated the following world populations from the early modern period, 1500–1800. [7] 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.
This is a list of population milestones by country (and year first reached). Only existing countries are included, not former countries. Only existing countries are included, not former countries. 20 million milestone
The current world population growth is approximately 1.09%. [7] 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. [7] The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999.