Population and Migration Part 2

• life expectancy: the average growth number of years to be lived by a group of people born in the same year
• life extecancy
• High: Monaco (89.52 total)
• #42: U.S. (79.68 total)
• Low: Chad (49.81 total)
• Potable: safe water to drink
• fact, women live longer then men
• crude birth rate: number of birth per 1000 of the population
• crude death rate: number of death per 1000 of the population
• rate of natural increase (RNI)
• produced by subracting the death rate from the birth rate
• this gives us the annual natural growth rate - in percentage form - for a country or region