Why is the social security in Dongguan higher than that in Shenzhen?

The level of payment varies from place to place. According to relevant public information, Dongguan is a second-tier city and a first-tier city in Shenzhen Special Economic Zone. Social security is paid by region, and the payment ratio is paid according to the base set by the local social security bureau. The payment base in Shenzhen is higher than that in Dongguan. If the social security payment in Dongguan is higher than that in Shenzhen, it means that the payment level is inconsistent, or Dongguan paid more medical insurance for critical illness in that month.