Examlex
What color are the stars with the hottest photosphere?
Demographers
Scientists who study the characteristics of human populations.
World Population
The total number of humans currently living on the planet, influenced by birth rates, mortality rates, and migration patterns.
Per Capita Energy Use
The average amount of energy consumed per person within a specific geographical area.
Total Fertility Rate
The average number of children that would be born per woman over her lifetime if she were to experience the exact current age-specific fertility rates throughout her childbearing years.
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