The table below shows the population distribution and land area of five states of a...
The table below shows the population distribution and land area of five states of a country B in the year 2010. Use the data to answer the following question
(a) Calculate the: (i) total population; (ii) total land area; (iii) population density of country B.
(b) Explain four factors that influence the distribution of world human population.
(c) Outline three factors that cause increase in world human population
Explanation
(a) Calculation (i) Total population (3.2 + 5.4 + 7.4 + 6.5 + 4.2) = 26.7m or 26,700,000 persons per square metre (horizontal or vertical addition)
(ii) Total land area (140,000 + 98,000 + 35,000 + 120,000 + 86,000) km² = 479,000km²
(iii) Population density of country B Total population /Area in km² 26,700,000 person per km² = 55.74 persons per km² = 56 persons per km² 479,000
(b) Factors that influence the distribution of world human population
- relief
- climate
- soil/agriculture
-job opportunities
- accessibility/transport
- mineral deposit
- water supply
- industrialization/advancement in technology
- sources of food
- conflict/security
- presence of social amenities
- political conditions
- government policy
- migration
- historical factor
- commercial activities
- vegetation
- diseases
- environmental hazards
- cultural attachment
- religious factors
- infrastructural development
(c) Factors that cause an increase in world human population
- improved medical facilities - improved hygiene and sanitation
- adequate food supply/improved agriculture
- improved standard of living
- decrease in death rate
- increase in birth rate
- significance attached to number of children by some cultures
- improved science and technology
- polygamy
- illiteracy
- lack of family planning
- viewing child bearing as tradition wok of women
- government policy
- preference for male or female children by some cultures
- religious belief
- early marriage