Tian Xueyuan is a member of the Chinese Academy of Social Sciences, former director of the Population Research Institute of the Chinese Academy of Social Sciences, and a participant in family planning policy. He is known as the "Father of Family Planning". He has led 6 major and key national projects and 5 cooperative projects with the United Nations Population Fund, the USA and Japan. He has written more than 20 monographs, including 60 Years of China's Population Policy and Research on China's Population Development Strategy in the 21st Century.