How does Social Security Work? How are Social Security benefits calculated? Ask AARP's Social Security Question and Answer Tool. This online resource presents our members with answers to questions on applying for retirement benefits or the Supplemental Security Income (SSI) program, the workings of the cost of living adjustment (COLA), and delayed retirement credits in an easy to understand manner. Knowing how this landmark of American government can best work for you is the aim of AARP's Social Security Question and Answer Tool.