The table below shows population data for a particular country in 2010: Population (millions) 40.5
Births (per 1,000) 30
Deaths (per 1,000) 4
Total Fertility Rate 3.3
Infant Mortality Rate
(per 1,000 births) 11

Five years later, the total fertility rate for this country is 2.4. Which of the following statements could be a possible reason for this change?
The total fertility rate decreased because there must have been an increase in the infant mortality rate.
The total fertility rate decreased because the economy forced many couples to delay when they will have children.
The total fertility rate decreased because the infant mortality rate is greater than the death rate.
The total fertility rate decreased because governmental policies were implemented to provide housing for low income families.