<prompt> Translate the following text to SwahiliWhile Social Security provides a foundation for retirement income, saving through pensions and by individuals on their own behalf contribute substantially to retirement income.  <response>: Wakati Social Security hutoa msingi kwa ajili ya mapato ya kustaafu, kuokoa kupitia pensheni na na watu binafsi kwa niaba yao wenyewe kuchangia kwa kiasi kikubwa kwa mapato ya kustaafu. 