Social security units can retire at the age of 50 after paying a few years.

Legal analysis: 50-year-old retirement needs old-age insurance, and the accumulated payment period reaches 15 years. If the payment period is less than 15 years, it can be paid back to 15 years. Just go through the retirement formalities and start receiving pension insurance on a monthly basis. Old-age insurance includes two parts: overall fund and personal account pension. In addition, you can also transfer to the new rural social endowment insurance and enjoy the old-age insurance benefits in accordance with state regulations.

Legal basis: Article 16 of the Social Insurance Law of People's Republic of China (PRC) stipulates that individuals who have participated in the basic old-age insurance will receive the basic old-age pension on a monthly basis if they have accumulated contributions for 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.