Based on Current Growth Rates, Earth's Human Population in 2012

Question

Based on current growth rates, Earth's human population in 2012 will be closest to
A) 2 million.
B) 3 billion.
C) 4 billion.
D) 7 billion.
E) 10 billion.

Accepted Answer

According to United Nations estimates, the world population in 2012 was approximately 7 billion. This is the closest answer choice to the actual population at that time.