1. Creating Original Datasets How a case gets from the manuscript census into the IPUMS An example from the 1860 census... at the Minnesota Population Center John C. Breckinridge of Kentucky U.S. data 1850-1930 Vice President of the U.S., 1856-1860 Secretary of War, C.S.A, 1861-1865 Later charged with treason, fled to Cuba Original enumeration form from the 1860 U.S. Census Data entry screen in Minnesota (ca. 1997) Household and person record ready for checking (ca. 1999) Coding dictionary for the occupation variable (ca. 2000) 1
Checked and coded data, ready for release (ca. 2001) Year Page Occupation Wealth Age Relationship Industry 86510365530021011203411453142582488000000000000 86510365530022011202511036999995000000000000000 86510365530023011202611036159690379000000000000 86510365530024011203011453254591346000000000000 86510365530025011203011421167594308000000000000 86510365555020010103911021048250916030000003000 86510365555020020203321021999995000000000000000 86510365555020030301511021999995000000000000000 86510365555020040301311021999999000000000000000 86510365555020050301121021999999000000000000000 86510365555020060300911021999999000000000000000 86510365555020070300521021999999000000000000000 86510365567017010102411021083290516005000015000 86510365567017020201821021999995000000000000000 86510365567017030300311021999999000000000000000 86510365567017040703411021999995000001200006000 2. Harmonizing Data Created by Other Researchers and Institutions Non-U.S. data U.S. data 1940-2003 How we integrate variables across countries and time location of data in the original samples marital codes used in the 1973 Colombian census different original codes for widowed across the censuses 2
final IPUMS coding scheme for marital status 3. Adding Value to Datasets: Integrated Documentation All countries, all census years Documentation: integrated and available online Documentation: integrated and available online Occupation variable description Documentation: integrated and available online Occupation variable description IPUMS-International 3
46 Member Countries Latin America Europe Asia Africa and Other Argentina Austria Armenia Canada Bolivia Belarus Cambodia Egypt Brazil France China Fiji Chile Greece Israel Kenya Colombia Hungary Malaysia Madagascar Costa Rica Netherlands Mongolia Mexico Dominican Republic Romania Pakistan South Africa Ecuador Spain Palestine Uganda El Salvador United Kingdom Philippines United States Guatemala Turkmenistan Honduras Vietnam Nicaragua Panama Paraguay Peru Uruguay Venezuela Differing Source Materials Greece 2001 Census Form Belarus 1999 Census Form Brazil 2000 Census Form Differing Census Questions 4
Race, Ethnicity, Religion Fertility and Mortality Household Appliances and Amenities Differing Categories and Concepts Human Waste Disposal Trash Disposal H-17. Main Type of Human Waste Disposal: 1. Main sewer 2. Septic tank 3. Cess pool 4. Pit latrine 5. Bucket latrine 6. Bush 7. Other Kenya 1999 H6. Do you have a flush toilet? United States 1970 [] Yes, for this household only [] Yes, but also used by another household [] No flush toilet 5
Water Supply Home Ownership Literacy -- Comparability 6