Regional division of social security as a whole

According to administrative divisions. Social security co-ordination areas are divided by administrative regions, and social security policies in different regions may be different. Generally speaking, the social security co-ordination area is an administrative area above the prefecture level, including prefecture, city, state, league, or county (city). In principle, Beijing, Tianjin and Shanghai are co-ordinated in the city. All units and their employees should participate in the basic medical insurance in the overall planning area according to the principle of territorial management, implement a unified policy, and implement a unified collection of basic medical insurance funds.