population

• population is the total number of people living within an area
• what is birth rate ?

  Birth rate is the number of babies born per 1000 people per year
• What is death rate ?

  Death rate is the number of death per 1000 people per year.
• What is the formula for birth rate ?

  Birth rate=( total number of birth / total population ) x 1000
• What is the formula for death rate ?

  Death rate = ( total number of death / total population ) x 1000
• What are the reasons for high birth rate . list down 5

  • lack of family planning and birth control
  • high infant mortality rate ( mortality rate is the number of babies died before reaching 1 years old per 1000 )
  • early marriage
  • prefer sons instead of daughters
  • need labour for farm work
• what are the reasons for low death rate . List down 3

  • high standard of living
  • improved life expectancy ( high life expectancy , able to cure diseases )
  • better hygiene include clean water suppl and proper sewage system.
• List down 4 consequences of high population growth rate.

  • lead to over population
  • increases unemployment rate and crime rate
  • shortages of houses
  • environmental problems such as water and land pollution
• Give 4 solution to high population growth rate

  • introduce family planning policy ( eg: one child policy in china )
  • educate the local people on family planning
  • encourage late marriage
  • introduce incentives and penalties