Key Points The average retirement age in the U.S. is currently 62. Social Security’s full retirement age is 67 for those born in 1960 or later. Postponing Social Security benefits until age 70 maximizes your monthly benefit amount. The $23,760 Social Security bonus most retirees completely overlook › In 1991, Social Security's full retirement age (FRA) was 65, yet the average retirement age in the U.S. was 57. Today, FRA hovers around 67 with the average American retiring at 62. According to No ...