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Earth’s human population was less than 26,000 for a million years, with only 18,500 able to reproduce, making humans an endangered species. Genetic studies suggest various events, including a super volcano eruption, caused the low numbers.
According to scientists at the University of Utah, Earth’s entire human population was less than 26,000 for about a million years. Even fewer, about 18,500, were able to reproduce. This means that 1.2 million years ago, humans were an endangered species. Endangered species are endangered species. Scientists arrived at these estimates based on studies of genetic variation in ancient humans. While the exact causes of such low numbers are not known, experts believe it may be due to various events that killed many people. One such suspected event is a nuclear winter, a period of very cold temperatures, caused by the eruption of a super volcano in Indonesia 70,000 years ago. Fewer than 15,000 people survived the disaster.
Read more about the world and human population:
About 108 billion people have lived on earth since the beginning of history.
Homo sapiens (modern man) first appeared on earth around 50,000 BC
The human population growth rate was abnormally low between AD 542 and the mid-1600s due to the bubonic plague.
