Approximately How Long Did It Take for the Human Population

Question

Approximately how long did it take for the human population to reach 1 billion?
A)more than 100,000 years
B)more than 1 million years
C)more than 2 million years
D)more than 5 million years
E)more than 10 million years

Accepted Answer

The human population is estimated to have reached 1 billion around the year 1800. Considering anatomically modern humans (Homo sapiens) appeared roughly 300,000 years ago, it took more than 100,000 years for the population to reach this milestone.