Over the last few decades, the United States population has...

Over the last few decades, the United States population has become:
(A) bigger, older, and more diverse.
(B) bigger, younger, and more diverse.
(C) smaller, older, and less diverse.
(D) smaller, older, and more diverse.

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Key Concepts

Population Growth

This concept refers to the increase in the number of individuals in a population over time. It encompasses factors such as birth rates, death rates, and migration patterns that contribute to an overall expansion in population size.

Aging Population

This concept describes the shift in a population’s age structure toward older age groups, often due to increasing life expectancy and declining birth rates. The result is a higher median age and a larger proportion of seniors relative to younger individuals.

Population Diversity

This concept involves the broadening of a population's demographic composition, including variations in race, ethnicity, and cultural background. Increased diversity can result from immigration, changing birth rates among different groups, and evolving societal norms.

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