Year | Area covered | Agency | Method |
1912 | 19 provinces and 2 special districts | Northern Warlords Government | Police-conducted survey of households |
1928 | 13 provinces and 5 special cities | Domestic Administration Ministry | Survey of households |
1936 | 30 provinces and cities | Domestic Administration Ministry | Reports from Bao-Jia system* |
1947 | whole country | Domestic Administration Ministry | Reports from Bao-Jia system* |
1921-25 | 7 provinces, 17 prefectures, and 2,866 households | Buck | Sample survey |
1928-33 | 16 provinces, 119 districts, 46,601 households | Buck | Sample survey |
1932 | Jiangsu province, Jiangyin county, Xiaoqi Town | University of Nanking, others | Census survey |
1933 | Jiangsu province, Jurong county | County government | Census survey |
1933 | Jiangsu province, Jiangning county | County government | Census survey |
1935 | Shandong province, Zouping county | County government | Census survey |
1936 | Zhejiang province, Langxi county | County government | Census survey |
1939 | Yunnan province, Chenggong county | Qinghua University, National Conditions Research Institute | Census survey |
1942 | Sichuan province, 3 counties | Accounting section, county government Qinghua University, National | Census survey |
1942 | Yunnan province, Kunming city, 3 counties around Kunming Lake | Conditions Research Institute | Census survey |
* Bao-Jia system: an administrative system organized on the basis of households which was reintroduced by the Republican government in 1932. Generally speaking, each Jia was made up of 10 households, and each Bao of 10 Jia.