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Birth Rate
The number of live births per 1000 people per year.
Death Rate
The number of deaths per 1000 people per year.
Infant Mortality Rate
The number of deaths of infants under one year old per 1,000 live births in a given year.
Life Expectancy
Average number of years a person is expected to live based on current mortality rates.
Population growth
How the size of a population changes over time.