natural population change

Question 1

What is natural population change?

Answer 1

Natural population change is the change in the total population of an area due to variations in birth and death rates.

Question 2

What are vital rates in population studies?

Answer 2

Vital rates show the most important aspects of population change and the speed at which they change.

Question 3

Define birth rate.

Answer 3

The birth rate is the number of live births per 1,000 of the population per year.

Question 4

What is the death (mortality) rate?

Answer 4

The death rate is the number of deaths per 1,000 of the population per year.

Question 5

How is the infant mortality rate calculated?

Answer 5

The infant mortality rate is the number of deaths of infants under the age of 1 per 1,000 live births per year.

Question 6

What is the total fertility rate?

Answer 6

The total fertility rate is the average number of children a mother will birth during her reproductive age.

Question 7

What does the population growth rate measure?

Answer 7

The population growth rate measures the percentage change in population in a year. If birth rates exceed death rates, the change is positive; if death rates exceed birth rates, the change is negative.

Question 8

Define life expectancy.

Answer 8

Life expectancy is the average number of years a person is expected to live.