Why is the social security in Shanghai increasing every year?

The reasons are rising prices and the sustainability of the social security system.

1. With the increase of prices, the social security payment base will be adjusted accordingly to ensure the balance of payments of social security funds.

2. With the development of social economy and the aging of population, the social security system needs sustainable operation. By raising the base of social security payment, the income of social security fund can be increased and the sustainability of social security system can be ensured.