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Is 66 considered a senior citizen? A guide to age-based benefits

While there is no universal age that defines a “senior citizen,” age 66 is a significant milestone that qualifies individuals for full Social Security retirement benefits for those born between 1943 and 1954. Many other senior perks and programs are also available to those who are 66 years old, though eligibility ages for various benefits and discounts can range widely from 50 to 65 and beyond.