How is social security calculated? Social security algorithm.

1, the calculation formula is: employee contribution base * the proportion of social security contributions, and then add the separately calculated insurance premiums to get the social security premium.

2. Among them, the payment base has the highest and lowest limits. If it is higher than the maximum payment base, it shall be paid according to the maximum payment base; Below the minimum payment base, pay according to the minimum payment base; The actual average salary in the middle and above years is the payment base.