How to calculate the social security interest?

Legal analysis: payment amount = average social wage in the previous year at the time of payment × (salary base of payable year × average social wage of payable )× payment proportion × payment coefficient. Among them, the payment ratio is implemented according to the current enterprise payment ratio, that is, 28%, 20% for enterprises and 8% for individuals (the proportion varies from place to place). The starting point of the repayment coefficient is 1. 1, and the coefficient increases by 0. 1 every year before the repayment year, and is calculated year by year. Legal basis: Article 16 of the Social Insurance Law of People's Republic of China (PRC). Individuals who participate in the basic old-age insurance will receive the basic old-age pension on a monthly basis if they have paid a total of fifteen years when they reach the statutory retirement age. Individuals who participate in the basic old-age insurance and pay less than fifteen years when they reach the statutory retirement age can pay for fifteen years and receive the basic pension on a monthly basis; Can also be transferred to the new rural social endowment insurance or urban residents' social endowment insurance, enjoy the corresponding pension insurance benefits in accordance with the provisions of the State Council.