Collection of links to various efforts to link full count historical USA census data.
The table below lists some of the publicly available links across complete count US census waves as provided by IPUMS. Typically the data consists HISTID identifiers and a selection of individual-specific information, however for full set of variables individuals may need to download it separately from the IPUMS website.
| Short name | Notes | Waves | Link |
|---|---|---|---|
| CLP | Automated links between each pair of Census waves. | 1850-1940 | Link |
| CT | Links based on manually-created 'ground truth'. | 1900-1920 | Link |
| MLP | The links created by the IPUMS team for adjacent censuses from 1900 to 1940. | 1900-1940 | Link |
| LIFE-M | Links via birth/death/marriage certificates | 1880-1940 | Link |