key: cord-0021235-rdw9ysqh authors: Zheng, Xiaoying title: The Uncertainties of Population Research: Challenges and Opportunities date: 2021-07-09 journal: China CDC Wkly DOI: 10.46234/ccdcw2021.156 sha: d1c4f3c901e7335090fe1327cf87b5150c9004c2 doc_id: 21235 cord_uid: rdw9ysqh nan population structure change -that is the complex effects of economic development and education on fertility rate, the uncertainties and inaccuracies in urbanization rate statistics, and various public trust in science and public support for population health measures will all impact the fertility, migration, and mortality of a population. In the context of approaching the 2030 Sustainable Development Goals, the uncertainties in population research and the reasons behind them put forward challenges to social governance and provide important opportunities for us to make changes. To deal with these internal and external challenges of population research, it is urgent to review and further explore the complementarities between economic development and population development and to improve global policy, institutional support structures, and dynamic evaluation. Timely adjustment, innovations, and perfection of population health strategies are needed, especially for females, older adults, floating populations, and populations with disability. doi: 10.46234/ccdcw2021.156 United Nations China.org.cn. SCIO briefing on 7th national population census. 2021 Communiqué of the seventh national population census (No. 5)-age composition Communiqué of the seventh national population census (No. 7)-urban and rural population and floating population Major trends in population growth around the world Trends and challenges for population and health during population aging-China Trend and factors of population fertility changes from the perspective of economics and education-China Belief in science and attitudes toward COVID-19: a demographic standardization approach to China-US comparison, 2020. China CDC Wkly