How many years has the son paid social security? Can I pay now?

Social security can be paid for several years, and medical insurance and endowment insurance in social security can accumulate payment years. Only during the period of breaking off social security, social security can not be used, but can be supplemented, and medical insurance and endowment insurance can still accumulate years. Legal basis: Article 16 of the Social Insurance Law. 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. Individuals who participate in the basic medical insurance for employees will not pay the basic medical insurance premium after retirement and enjoy the basic medical insurance benefits in accordance with the provisions of the state if they reach the statutory retirement age and the accumulated payment has reached the fixed number of years stipulated by the state; Those who have not reached the fixed number of years prescribed by the state may pay the fees to the fixed number of years prescribed by the state.