In 2005 a nationwide sample survey of 1% of the population, in order to fully investigate the development and utilization of data, 1% of the population of the State Council, the National Leading Group Office of sample survey questions focused on selection, organization focused on higher education institutions and scientific research institutions, experts and scholars to conduct special studies. The book collection of the status of the population and development, urbanization, fertility status, the quality of our people, family and housing conditions, rural-urban migration of labor, social security, income distribution, social class changes in such areas as research results. At all levels of government on the study and formulation of national economic and social development planning, with an important reference for scientific decision-making role in all sectors of the community to further enhance awareness of the population, the correct population and deal with the relationship between socio-economic development also provides a more open perspective.