Crude Birth Rate & RNI

Today in class we continued to look at the power point about population and settlement. Here a few new things we learned:

  • Crude birth rate is the number of births per 1000 of the population.
  • Crude death rate is the number of deaths per 1000 of the population
  • RNI is the rate of natural increase, which is produced by subtracting the death rate from the birth rate.
  • RNI gives us the annual natural birth rate in percentage form for a country or region.
  • Net Migration Rate is the difference between the number of persons entering and leaving a country during the year.
  • Immigration is an excess of persons entering a country, which is written as a positive number.
  • Emigration is an excess of persons leaving a country, which is written as a negative number.
  • Push forces for migration include civil war, environmental degradation, unemployment or underemployment, and religious or ethnic persecution.
  • Pull forces for migration include better economic opportunity, better health services, religious freedom, and political freedom.

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