In the least developed nations,average life expectancy

A) is about 25 years.
B) can be lower than 60 years.
C) is between 60 and 70 years.
D) cannot be measured.
E) is much higher among women than among men.

Life Expectancy

The average age to which a person is expected to live based on demographic factors such as current age, gender, and health conditions.

Developed Nations

Countries that have a high level of economic development, advanced technological infrastructure, and higher standards of living among their populations.