Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Demography is the statistical study of human populations, including their structure, distribution, and trends. It examines how populations change over time due to births, deaths, aging, and migration.
Related terms
Population density: The number of people living per unit of an area (e.g., per square kilometer), which helps in understanding how crowded a place is.
Birth rate: The number of live births per thousand people in a population over a given period of time; it's a crucial factor in population growth.
Migration: The movement of people from one place to another which can be within national borders (internal migration) or across international borders (international migration), impacting the demographic makeup of areas