Discussion of 退休 [tuì xiū] to retire - Trainchinese

1 - What types of people or professions usually “退休“ (tuìxiū)? 2 - Are there any synonyms or related terms for “退休“ (tuìxiū) that are commonly used?1 - 哪些人群或职业通常实行“退休”制度？2 - 是否存在与“退休”制度相关的同义词或术语，在日常用语中广泛使用？