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Population structure is an important category of human capital economics, demography, economics, sociology, environmental and ecological research fields such as an important content. Population statistics with the most population structure indexes, such as: the sex, age structure, urban and rural structure, the family size, these indexes and social economic development has more or less contact: a social and economic development of this area will influence the population structure characteristics; On the other hand, the change of the structure of population will significantly impact on social economy development direction and policies, laws and regulations. Because after the founding of the 20 years, China’s population structure of population growth, and the primary stage of socialism society underdeveloped economy situation conflicts between the very prominent, and implemented in 1971 with Chinese characteristics of family planning policy, in order to prevent the world "population explosion" made tremendous contribution. Qingdao is a few north of the coastal open cities, the development and change of the structure of population and the other regions of different characteristics of social economy, the effect also can differ from other areas.It firstly introduces the background of the subject and the research situation, the purpose of the research significance, the research methods and etc, Secondly, in the previous research achievements, and on the basis of the main contents of population structure, the development and the social factors, the relationship between briefly discussed on the basis of further research. The main part of the paper is to 1990-2005 population structure change of Qingdao and Reference the statistics data in 2006 to 2008 ,analyzes the relevant data of Qingdao population structure and characteristics of main index changes and the existing problems, and then studies the changes of population structure of Qingdao economic and social influence, and puts forward the countermeasures for the adverse effects and problems and methods. Qingdao and other areas of population and the development of social economy have certain reference significance.Innovation of current research and conclusion of the papers : The less research on current as the general population sex is normal, Qingdao industrial structure of population, second and third industry tends to income and consumption structure of rural population problems such as big disparity is discussed; The quantitative analysis of the non-agricultural population proportion and society by working population proportion and college students proportion of the population, to analyze the three indexes to Qingdao per capita GDP, the influence of social economy, population structure, Qingdao has certain effect. In addition, the adverse effects, and puts forward the countermeasures of implements humanized family planning work, establish the integrated comprehensive endowment pattern, etc.
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