<prompt> Translate the following text to EnglishKwa sababu ya mabadiliko haya ya idadi ya watu, kwenda katika siku zijazo bila kufanya mabadiliko kwa mipango ya kustaafu ya shirikisho na afya - Usalama wa Jamii, Medicare, na Medicaid - ni kutabiri jukumu tofauti sana kwa serikali ya shirikisho.  <response>: Because of this coming demographic shift, to move into the future without making changes to federal retirement and health programs- Social Security, Medicare, and Medicaid-is to envision a very different role for the federal government. 