In July, which month did the social security base adjustment start?

Legal analysis: after determining the social security payment base in July of that year, it will be implemented in July of that year until June of the following year.

Legal basis: Article 7 of People's Republic of China (PRC) Social Insurance Law. The administrative department of social insurance in the State Council is responsible for the national social insurance management, and other relevant departments in the State Council are responsible for the relevant social insurance work within their respective functions and duties. The social insurance administrative department of the local people's government at or above the county level shall be responsible for the social insurance management within its administrative area, and other relevant departments of the local people's government at or above the county level shall be responsible for the relevant social insurance work within their respective functions and duties.