Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Population density is a measure of the number of individuals living in a particular area, usually expressed as the number of people per square kilometer or square mile.
Migration is the movement of individuals from one place to another, often driven by factors such as economic opportunities or environmental conditions.