Under 35 years old. According to the requirements of youth projects, applicants and members of the research group are not over 35 years old, and applicants for youth projects who do not have associate senior titles or doctoral degrees must be recommended in writing by two peer experts with professional titles and senior titles. Therefore, members of the national social science youth project research group are over 35 years old. China Academy of Social Sciences is the highest academic institution and comprehensive research center of philosophy and social sciences in China under the direct leadership of the Central Committee of the Communist Party of China and directly under the State Council.