Pemerintah di seluruh dunia memiliki prosedur dan rencana khusus untuk merawat kebutuhan hidup masyarakat. Program kebijakan sosial di berbagai lokasi menguji efisiensi dan efektivitas sistem yang memelihara kesehatan dan kesejahteraan masyarakat.

A certificate is proof of qualification of a certain set of skills. Students who obtain a certificate have completed educational requirements and tests. Through completion, they become ready to pursue a degree or diploma, or to head into the professional world in their field of expertise.