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
This is the final stage of human development, typically considered to begin around age 65. It's characterized by physical, cognitive, and social changes.
Related terms
Gerontology: The scientific study of old age, the process of aging, and the particular problems of old people.
Life Expectancy: The average period that a person may expect to live.
Aging Process: The set of biological processes that lead to senescence or decline due to age.