title: Present situation of China's aged population.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001208:Asia; D002681:China; D003625:Data Collection; D003710:Demography; D003906:Developing Countries; D004467:Economics; D004522:Educational Status; D005191:Family Characteristics; D005202:Asia, Eastern; D017533:Marital Status; D008393:Marriage; D011153:Population; D011154:Population Characteristics; D012106:Research; D012494:Sampling Studies; D017678:Sex Distribution; D012737:Sex Factors; D012744:Sex Ratio; D012923:Social Class; D012959:Socioeconomic Factors
keywords: Adult; Age Factors; Aged; Asia; China; Demographic Factors; Developing Countries; Eastern Asia; Economic Factors; Educational Status; Family And Household; Family Characteristics; Family Size; Marital Status; Nuptiality; Population; Population Characteristics; Research Methodology; Sampling Studies; Sex Distribution; Sex Factors; Sex Ratio; Socioeconomic Factors; Socioeconomic Status; Studies; Surveys