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The Day of Five Billion, 11 July 1987, was designated by the United Nations Population Fund as the approximate day on which the world population reached five billion. Matej Gašpar from Zagreb , Croatia (then SR Croatia , SFR Yugoslavia ), was chosen as the symbolic 5-billionth person alive on Earth .
Of the additional 1.9 billion people projected between 2020 and 2050, 1.2 billion will be added in Africa, 0.7 billion in Asia and zero in the rest of the world. Africa's share of global population is projected to grow from 17% in 2020 to 25% in 2050 and 38% by 2100, while the share of Asia will fall from 60% in 2020 to 55% in 2050 and 45% in 2100.
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 ...
An estimate on the "total number of people who have ever lived" as of 1995 was calculated by Haub (1995) at "about 105 billion births since the dawn of the human race" with a cut-off date at 50,000 BC (beginning of the Upper Paleolithic), and inclusion of a high infant mortality rate throughout pre-modern history. [13]
The world population more than tripled during the 20th century from about 1.65 billion in 1900 to 5.97 billion in 1999. [16] [17] [18] It reached the 2 billion mark in 1927, the 3 billion mark in 1960, 4 billion in 1974, and 5 billion in 1987. [19] The overall population of the world is approximately 8 billion as of November 2022.
The world had already reached a population of five billion on July 11, 1987, [5] and six billion, twelve years later on October 12, 1999. [6]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 ...
The combined population of both China and India is estimated to be over 2.8 billion people as of 2022. Asia's population is projected to grow to 5.25 billion by 2055, or about 54% of projected world population at that time. [1] Population growth in Asia was close to 0.55% p.a. as of 2022, with highly disparate rates.
Of them, about 2 billion would be from developing countries, including 89 million from least developed countries. [ 1 ] [ 2 ] According to Hootsuite , the number of Global Internet users has already reached almost 5 billion, or about 53% of the global population as of 2021. [ 3 ]