Individuals pay social security supplement from the fourth gear to push the problem of the first gear

Calculate the pension, there is no grade distinction, your first year the first grade, after that according to the fourth grade. It is calculated in accordance with the average of your contribution base, and each year's grade, the contribution base is not the same, so it is not according to the grade to distinguish, but according to the base of your contribution to calculate, such as your first year of contribution base of 5,000. the second year of 3,000. the third year of 4,000. the fourth year of 5,000. then your contribution base is (5,000 +3,000 +4,000 +) / 4 = 4250. 5000)/4=4250.This is only the average contribution base, and not the retirement pension you receive,

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