The factors that affect population density
- relief/shape of the land
- political (stage government/no war)
- social (wanting to live in group/isolation)
- economic (job opportunities)
Describing the increase in overall world population
When birth rate is higher than the death rate, more people are born then are dying, so the population grows. This is called natural increase.
Death rates have decreaced rapidly due to a advance in medical treatment and facilities. Peoples life expectancy has gone up.
The birth rate is quite low though, so the increase is not as noticable in MEDC then it is in LEDC. Birth rates are low because of high literacy rates and access to contraception.
Death rates have fallen, but not as much as the MEDC
Birth rates are very high due to low literacy rates, unawareness, no access to family planning and contraception being against religion.
Overall, the increase is due to lower death rates, and high birth rates.
Why population growth or decline needs to be managed
Too many people for the resources.
- healthcare and education can't cope
- children have to work to support their families
- not enough houses
- food shortages
- no access to clean water
- not enough jobs
- increased poverty
- increased waste/pollution
Strategies to cope with overpopulation:
- Birth control programs - laws (china'a one child…