noun
social security system
Refers to the overall framework of public programs providing economic security, such as pensions, health insurance, and public assistance.
日本の社会保障制度は、年金、医療、介護などを含んでいる。
Japan's social security system includes pensions, medical care, and nursing care.
社会保障 is the broader concept of social security, while 社会保障制度 specifically refers to the institutional system or framework.
Compound of 社会 (society), 保障 (security, guarantee), and 制度 (system, institution).