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At which latitude is the noonday Sun overhead twice a year?
Thomas Malthus
An English scholar and demographer known for his theory that population growth will always tend to outrun the food supply and that betterment of humankind is impossible without strict limits on reproduction.
Total Fertility Rate
An estimate of the average number of children a woman will have over her lifetime, based on current birth rates.
Replacement Rate
In demography, it refers to the fertility rate at which a population exactly replaces itself from one generation to the next, without migration. In economics, it can refer to the ratio of benefits (like pensions) replacing employment income.
Population Change
The variation in the number of individuals in a population over time, influenced by factors such as birth rates, death rates, immigration, and emigration.
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