13,850,000 Jews (0.2%), four-fifths of which live in two countries: United States (41%) and Israel (41%).Jainism, Shintoism, Sikhism, Tenrikyo, Wicca, Zoroastrianism and many others. 405,120,000 Folk Religionists (6%): faiths that are closely associated with a particular.487,540,000 Buddhists (7%), of which half live in China.1,033,080,000 Hindus (15%), the overwhelming majority (94%) of which live in India.One-in-five people (20%) in the United States are religiously unaffiliated. 1,126,500,000 No Religion affiliation (16%): atheists, agnostics and people whoĭo not identify with any particular religion.2,173,180,000 Christians ( 31% of world population), of which 50% are Catholic, 37% Protestant, 12% Orthodox, and 1% other.The chart above illustrates how world population has changed in history.Īccording to a recent study (based on the 2010 world population of 6.9 billion) by The Pew Forum, there are: The World at Six Billion, World Population, Year 0 to near stabilization - United Nations Population Division.Historical Estimates of World Population - US Census Bureau.Because of declining growth rates, it will now take over 200 years to double again.In 1970, there were roughly half as many people in the world as there are now.During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion.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.Ī tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years (1930), the third billion in less than 30 years (1959), the fourth billion in 15 years (1974), and the fifth billion in only 13 years (1987). World Population: Past, Present, and FutureĪt the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. The world population (the total number of living humans on Earth) was 7.349 billion as of Jaccording to the medium fertility estimate by the United Nations Department of Economic and Social Affairs, Population Division.
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