The social study of aging uses population data and cohorts to predict social concerns related to aging populations. Global studies on aging reveal a difference in life expectancy between core and peripheral nations as well as a discrepancy in nations’ preparedness for the challenges of increasing elderly populations

In the United States, the population is increasingly older (called “the graying of the United States”), especially due to the baby Boomer segment. Ageism, which involves stereotyping and discrimination against the elderly, leads to misconceptions about their abilities.

life expectancy — the number of years a newborn is expected to live. population — increasingly older (called “the graying of the United States”), especially due to the baby Boomer segment. cohort — a group of people who share a statistical or demographic trait. ageism — discrimination based on age.