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Fertility - Wikipedia

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Fertility Rates: Declined for Younger Women, Increased for Older Women

Total fertility rate - Wikipedia

the median age of Afghanistan is only 18.9 years. Thus, over half the population is below the age of 19. : r/wikipedia

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Fertility Rate - Our World in Data

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Fertility Rates: Declined for Younger Women, Increased for Older Women

Demographics of the United Kingdom - Wikipedia

Total fertility rate - Wikipedia