You can see codes, description, comparability, universe, etc. Clicking on the variable brings up its documentation. Let’s select samples: Mexico-2010, Vietnam-2009 That way, you only see the variables available to you for that country and year. An "x" indicates the availability of a variable for a particular sample.Īlternatively, you can start with "Select Samples" which allows you to choose the countries and years before choosing your variables. The page will display variables present in specific censuses. Select "source variables" to browse variables specific to individual samples. 1938 – 1947. Each file also contains a unique historical identifier variable that allows users to match the data to full-count 1940 census data from IPUMS USA.Click on " Select Data" or "Browse and Select Data." The initial screen includes harmonized variables. WWII Army enlistment data come from the National Archives’ World War II Army Serial Number Merged File, a collection of about 9 million Army, Army Reserve Corps, and Women’s Auxiliary Army Reserve Corps enlistment records ca. The CenSoc-DMF-Enlistment dataset ( codebook) and CenSoc-Numident-Enlistment dataset ( codebook) contain WWII-era Army enlistment data alongside data from the Social Security Death Master File and National Archives NUMIDENT files, respectively. Variables of interest include race, place of birth, state in which the Social Security card was applied for, and ZIP Code of residence at the time of death.įor more information, see the paper “ The Berkeley Unified Numident Mortality Database,” which describes the original release and steps that were taken to create the BUNMD. All records are linked by Social Security Number. The BUNMD is a single standalone file comprised of the most informative parts of the 60+ application, claim, and death files released by the National Archives. The Berkeley Unified Numident Mortality Database (BUNMD) is a cleaned and harmonized version of the NARA Numident file. It is the easiest way to get started with the CenSoc-Numident dataset. To work with this dataset, researchers must download and link the 1940 full-count Census sample from IPUMS USA on the HISTID variable.Ī prelinked “demo” version of the file is available with 63 thousand mortality records and 20 mortality covariates from the 1940 census (~1% of the complete CenSoc-Numident dataset). We use the ABE fully automated linking approach developed by Abramitzky, Boustan, and Eriksson (2012, 2014, 2017). To link unmarried women, we use father’s last name as a proxy for women’s maiden name. Our linking strategy relies on first name, last name, year of birth, and place of birth. The CenSoc-Numident dataset links the 1940 census to the National Archives’ public release of the Social Security Numident file (“NARA Numident”). It is the easiest way to get started with the CenSoc-DMF dataset. To work with this dataset, researchers must download and link the 1940 full-count Census sample from IPUMS USA on the HISTID variable.Ī prelinked “demo” version of the file is available with 52 thousand mortality records and 20 mortality covariates from the 1940 census (~1% of the complete CenSoc-DMF dataset). Our linking strategy relies on first name, last name, and year of birth. This matched file includes only men, as surname changes due to marriage for women present challenges for accurate linkage. The CenSoc-DMF dataset links the 1940 census to the Death Master File, a collection of over 83 million death records reported to the Social Security Administration. Notes: SS Application Covariates means that additional covariates are available from Social Security Applications, such place of birth, place of death, race, gender, and parents’ names. A summary of the features of the different CenSoc datasets is presented in the table below: Variable Registered users can choose an applicable dataset for their research question. The CenSoc project disseminates three datasets free of charge. We highly recommend referring to the Documentation page for more information on downloading and working with these data. Alternatively, researchers can access a restricted version of the complete-count 1940 Census (with full names and street addresses) with permission via a secure server. Researchers can download the public version of the complete-count 1940 Census from IPUMS-USA. The CenSoc-DMF and CenSoc-Numident datasets described below contain a HISTID variable, which allows users to merge the CenSoc data with the complete-count 1940 Census. Data is available free of charge to all users. To access and download data, please visit the CenSoc Data Download Page.
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