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Measuring Population + Life Expectancy

Crude birth rate: number of births per 1000 of the population
Crude death rate: number of deaths per 1000 of the population

Rate of Natural Increase (RNI)- Produced by subtracting the death rate from the birth rate. this gives us the annual growth rate- in percentage form- for a country or region
Net Migration Rate: the difference between the number of persons entering and leaving a country during the year.

net immigration - An excess person entering the country 
  • Written as a positive number
  • Example : canada has 5.65 migrants per 1000 population
  • United States: 2.45 i
    • t was 3.62 in 2015
net emigration -  An excess of persons leaving the country 
  • written as a negative number-  An excess of persons leaving the country 
  • Example: Mexico has -1.68 migrants per 1000 population. 
    • -3.61 two years ago, and -3.11 last year

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