How much does Shanghai social security deduct?

Deduct once at the beginning of the month (around the 7th) and once at the end of the month (after the 20th). According to the information of Shanghai People's Insurance Center, the social security situation in Shanghai will be deducted once at the beginning of the month (around the 7th) and once at the end of the month (after the 20th). If the deduction is successful at the beginning of the month, it will not be deducted at the end of the month. If the deduction at the beginning of the month is unsuccessful or insufficient, it will be deducted again at the end of the month to make up for it.