what causes longer population doubling time

Answer 1

1. Decreased fertility rates: If the birth rate is low, population growth slows down and the population doubling time gets longer.

2. Aging population: As the population ages, the number of people who are past their reproductive years increases, which reduces the rate of population growth.

3. Decreased immigration: Immigration can contribute to population growth, so if there is a decrease in immigration, the population growth rate decreases.

4. Increased mortality rate: If the mortality rate is high, more people will die, which slows down population growth.

5. Environmental factors: Environmental factors such as food supply, disease, and natural disasters can affect population growth and cause longer doubling times.

6. Adoption of family planning methods: The use of family planning methods such as birth control can reduce the number of births and increase the doubling time.

7. Economic factors: Economic factors such as poverty and lack of resources can lead to a slower population growth rate and longer doubling time.

8. Cultural beliefs: Cultural beliefs that discourage births or prioritize education over starting a family can lead to a slower population growth rate.