Which file is the social security 7000 base?

Upscale. According to the small program of the National Human Resources and Social Security Bureau, as of March 8, 2023, the social security level is divided into three grades, namely low (below 4,000 yuan), medium (4,000-7,000 yuan) and high (above 7,000 yuan). Social Insurance (3rd Edition) is a book published by China Finance Press on 20 10, by Lin Yi. The historical evolution of social insurance is mainly through raising social insurance funds, coordinating the adjustment of social insurance funds within a certain range, and giving necessary help to workers when they encounter labor risks.