At what age is an individual initially classified as an older adult?

The classification of an individual as an older adult typically begins at the age of 65. This age is significant as it aligns with eligibility for various social programs, such as Medicare in the United States, which provides health coverage for individuals over this age. The designation of 65 as the starting point for older adulthood has become a standard in gerontology and public policy, reflecting societal perceptions of aging and the transition into retirement. This benchmark is supported by numerous studies and is widely accepted in the field of gerontology, making it a crucial point for understanding demographic trends and healthcare planning for the aging population.