China Population and Employment Statistical Yearbook (1998-20 19). China's per capita education years range from 1997 to 20 18. The data comes from the Statistical Yearbook of Population and Employment in China (1998-20 19), which can be directly used for regression analysis of various panel data. The informative annual publication comprehensively reflects the population and employment situation in China, collects the main data of population and employment statistics of the whole country and provinces, autonomous regions and municipalities directly under the Central Government, and adds relevant data of some countries and regions in the world.