Is the social security payment base the same in Xinzhou and Taiyuan?

According to relevant information, it is different. The social security payment base of Xinzhou and Taiyuan in Shanxi is definitely different, because the social security payment base is not determined by the social security agency in the city, but according to the wage income level of employees in the previous year in the city. Different cities have different wage and income levels, and the social security payment base is also different.