Components Of Population Essay, Research Paper

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Components of population change are births and deaths, immigrants and emigrants.

Fertility and Mortality Fertility is the number of live births in a defined population. It is calculated using two main indices:

Crude Birth rate (CBR): the total number of live births / the total population x 100

Total Fertility Rate (TFR): the total number of live births / women of childbearing age(15-49) x 100 Mortality is the number of deaths in a defined population. It is calculated using two main indices:

Crude Death Rate (CDR): the total number of deaths / the total population x 100

Infant Mortality Rate (IMR): the number of infant eaths / the number of live births x 1000 Factors affecting fertility Religion: most major religions favour family development so very religious populations have a high fertility.

Social customs and taboos, eg as regards contraception

Education. There is an inverse relationship between education level and the number of children .