Explain the causes of increasing population
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It increases or decreases according to time and space. The major factors affecting population are birth, death and migration. Birth increases the population while death decreases the population. Migration also causes population change.
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Causes of increase in population are :
¡) increase in the birth rate.
¡¡)Decrease in the death rate.From the year 1951 the death rated have decline from 25 per 1000 persons to 7.2 per 1000 persons in 2011.
¡¡¡) Lifeexpectancy at birth has increased from 36.7 years in 1951 to 67.9 years in 2012.
¡v) the substantial improvement in the result of many factors including improvement in public health, prevention of infectious diseases and application of modern medical practices in diagnosis and treatment ailments.
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