199 1 year. For the old-age insurance in Gansu, the former employees of state-owned enterprises began to pay the old-age insurance as early as 199 1. Rural endowment insurance was paid for the first time in 2009. On June 5, 2009+February, Gansu Province started the pilot project of new rural social endowment insurance in batches. In July of 20 1 1, the pilot work of social endowment insurance for urban residents was carried out simultaneously, and the new rural insurance and urban residence insurance were first merged into a unified social endowment insurance for urban and rural residents, and the system was fully covered in July of 20 12.