Survivorship, immigration rates, and life expectancy
Life expectancy, age structure, and migration
Replacement rate, age rates, and survivorship
Age structure, survivorship, and fertility rates
A greater percentage of children than adults
The same percentage of children as adults
A lower percentage of children than adults
Women in Niger have more children on average than women in the United States.
The population of the United States is growing faster than the population of Niger.
The world population is decreasing.
The population of Niger is decreasing.
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