Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Population composition is the demographic makeup of a population, detailing characteristics such as age, sex, and ethnicity within a given area. It helps to understand the structure of a society and predict future demographic trends.
Related terms
Age Distribution: The proportionate numbers of persons in successive age categories in a given population.
Gender Ratio: The ratio of males to females in a population, typically expressed as the number of males per 100 females.
Ethnic Diversity: The variety of ethnic groups within a population, reflecting different cultures, languages, and histories