The World Population, Distribution, Density And Growth

Question

Distinguish between:

Birth rate and death rate.

Answer

Birth Rate

Death Rate

(i)The crude birth rate (CBR) is expressed as number of live births in a year per thousand of women.

(ii)It is calculated as:

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.

(ii)CDR is calculated as:

D=Number of deaths in a year in that country P = Mid year population for the year.

(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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