IGCSE Development Studies: Specimen Questions with Answers 33 - 34 of 98

Explanation

Total fertility represents the sum of number of children born or are likely to be born to a woman in her lifetime under the following conditions:

• If she is falls under the age specific fertility rate through her lifetime
• If she survives childbirth till the end of her productive life.

It is expressed as number of children per woman. Fertility rate focusses on number of births per 1000 woman and birth rate looks at the entire population. Thus, it is the sum of age specific fertility rate of women over their reproductive span i.e.. all ages of childbearing period from 15 - 49 years of age as observed each year. Total fertility is computed by using the following formula:

Explanation

The fertility rate is not able to find out the rate of growth of population and mortality. The fertility rate is not able to provide the actual idea of the rate of population because they ignore the sex of newly born children and their mortality.

Gross reproduction rate measures the rate at which a new born female would. It shows the rate of at which mother՚s would be replaced by daughters and old generation by the new. If no mother died or migrated before reaching the upper limit of child bearing age i.e.. 15 - 49.