Can agricultural insurance and social security be merged into 15?

Yes, the insured person is transferred from social security to rural insurance, and the amount of social security personal account is all merged into rural insurance personal account, and the payment period can be calculated together.

Legal basis: Interim Measures for the Connection of Urban and Rural Endowment Insurance System

Article 3 After reaching the statutory retirement age of urban workers' old-age insurance and urban and rural residents' old-age insurance, if the payment period of urban workers' old-age insurance reaches 15 (including extending the payment to 15), you can apply for changing from urban and rural residents' old-age insurance to urban workers' old-age insurance, and pay corresponding treatment according to the urban workers' old-age insurance method; If the payment period of endowment insurance for urban workers is less than 15 years, you can apply for transferring from endowment insurance for urban workers to endowment insurance for urban and rural residents. When the conditions for receiving the pension insurance for urban and rural residents are met, the corresponding treatment shall be paid according to the pension insurance for urban and rural residents.