Question
Distinguish between:
Birth rate and death rate.
Solution
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Birth Rate |
Death Rate |
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(i)The crude birth rate (CBR) is expressed as number of live births in a year per thousand of women.
B = Live births during a year in a country. P = Population in mid year. |
(i)Crude Death Rate is expressed in terms of number of deaths in a particular year per thousand of population in a particular region.
D=Number of deaths in a year in that country P = Mid year population for the year. |
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(iii)In less developing countries crude birth rate is very high as compared to developed countries. |
(iii)The crude death rate is commonly used to measure mortality. |
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