What does it mean to double social security every three years?

Refers to the social security base paid for three consecutive years, reaching or exceeding twice the average social wage of this city last year.

According to Caizhi Information Network, the doubling of social security in three years means that the social security base paid for three consecutive years has reached or exceeded twice the average social wage of the city last year. Specifically, if someone pays social security for three consecutive years and pays twice the average social wage of the previous year, then the social security base paid in these three years is twice the average social wage of the previous year.