Group 1 - The core objective of the 1% national population sampling survey is to understand changes in population development, supporting high-quality population growth in line with China's modernization goals [2][7] - The survey will include all individuals residing in selected households, as well as those registered at these households but not present during the survey [2][7] - Approximately 1,760 households across 13 streets and 43 communities have been selected for participation in the survey [2] Group 2 - The survey will collect basic demographic information, including name, ID number, gender, age, ethnicity, education level, industry, occupation, migration status, marital status, fertility, mortality, and housing conditions [7] - The survey will be conducted using a combination of in-person registration by enumerators with electronic devices and self-reporting via the internet [8] - Personal information collected during the survey will be protected and used solely for the purpose of the survey, with strict confidentiality measures in place [8]

Group 1 - The province has launched a comprehensive pilot program for the 2025 national 1% population sampling survey in Liaoyang's Gongchangling District [1] - Approximately 175,000 households and 420,000 individuals have been selected as survey subjects to gather basic demographic information [1] - The survey aims to accurately capture population changes in Liaoning Province since 2020, providing essential statistical support for economic and social development planning [1] Group 2 - A pilot program covering 2 towns, 6 survey communities, and about 240 households is being conducted as a full-scale practical exercise before the official survey [1] - The pilot work includes boundary verification and building mapping to ensure the smooth execution of subsequent housing verification and registration tasks [2] - The pilot program is designed to test the scientific nature of the survey plan and the feasibility of the processes, while also training the team for the upcoming comprehensive survey [2]