Key Issue Two-Ch.2

Geography
Is the total number of live birth in a year for every 1,000 people alive in the society.
Crude Birth Rate (CBR)
Is the total number of deaths in a year for every 1,000 people alive in a society.
Crude Death Rate (CDR)
Is the percentage by which a population grows in a year.
Natural Increase Rate (NIR
The number of years needed to double a population.
Doubling Time
Is the average number of children a woman will have throughout her childbearing years.
Total Fertility Rate (TFR)
Is the annual number of deaths of infants under one year of age, compared with total live births.
Infant Mortality Rate (IMR)
Measures the average number of years a newborn infant can expect to live at current mortality levels.
Life Expectancy

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