6 Billion (1999) According to the United Nations, the 6 billion figure was reached on Octo(celebrated as the Day of 6 Billion). The US Census Bureau made a lower estimate, for which the 7 billion mark was only reached on March 12, 2012. The term "World Population" refers to the human population (the total number of humans currently living) of the world.ħ Billion (2011) According to the United Nations, world population reached 7 Billion on October 31, 2011. The current world population is 7.9 billion as of March 2022 according to the most recent United Nations estimates elaborated by Worldometer. World population is expected to reach 8 billion people in 2023 according to the United Nations (in 2026 according to the U.S. World population is expected to reach 9 billion in the year 2037. The United Nations projects world population to reach 10 billion in the year 2057. Wonder how big was the world's population when you were born?Ĭheck out this simple wizard or this more elaborated one to find out. 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.
View the full tabulated data.Īt the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. The chart above illustrates how world population has changed throughout history.