<prompt> Translate the following text to EnglishKwa kuwa watu wanaishi muda mrefu na wana watoto wachache, kutakuwa na wafanyakazi wachache wanaomtegemeza kila mstaafu isipokuwa mifumo ya kustaafu itabadilika.  <response>: As people live longer and have fewer children, there will be relatively fewer workers supporting each retiree unless retirement patterns change. 