Question: how old do you have to be to sign up for social security benefits?
Answer: You both must be at least 62 and divorced at least two years. How do you sign up for Social Security? You can apply for retirement benefits online at www.ssa.gov, or call our toll-free number, 1-800-772-1213 (TTY 1-800-325-0778). Or you can make an appointment to visit any Social Security office to apply in person.