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What is the minimum age to be considered a senior? The surprising truth about senior age definitions

According to the Social Security Administration, the age for collecting full retirement benefits is 67 for anyone born in 1960 or later. However, the answer to "What is the minimum age to be considered a senior?" is far more complex and depends on the specific benefit or program in question, ranging from age 50 for some discounts to 65 for Medicare eligibility.