In 2058, the world’s population is expected to reach 10 billion.

When did the world’s population reach one billion?

It was 1804 when the world’s population reach one billion, after approximately 194 thousand years since Homo sapiens first appeared.

It then took a further 123 years for the population to reach 2 billion, and another 33 years to reach 3 billion.

The population reached 4 billion in 1974, 5 billion in 1987, 6 billion in 1999, 7 billion in 2011, and 8 billion in 2022.

It is estimated the world’s population will reach 9 billion in 2037.