Current Population Survey microdata including basic monthly surveys and supplements from 1962 to the present.
Census microdata covering 82 countries from 1960 to the present. IPUMS NAPP offers microdata from the 19th and early 20th centuries.
Demographic and Health Surveys integrated for analysis across time and space from 1980 to the present.
Use of IPUMS data has grown steadily over the past 15 years. In particular, the IPUMS USA and IPUMS CPS projects have recognized a considerable increase in daily downloads since their inception. Despite this growth in use, however, the future of federal statistics data collection is in question as the United States transitions to a new Presidential administration. (Read More)