U.S. Census and American Community Survey microdata from 1850 to the present.
Current Population Survey microdata including basic monthly surveys and supplements from 1962 to the present.
World's largest collection of census microdata covering nearly 100 countries, contemporary and historical.
Tabular U.S. Census data and GIS boundary files from 1790 to the present.
Integrated data on population and the environment from 1960 to the present.
Historical and contemporary time use data from 1965 to the present.
Historical and contemporary U.S. health survey data from NHIS (1963-present) and MEPS (1996-present).
Survey data on the science and engineering workforce in the U.S. from 1993 to the present.
USE IT FOR GOOD: News and Information from IPUMS
IPUMS FAQs: Where are the Data Quality Flags for Income Variables?
At IPUMS, we try to address every user’s questions and suggestions about our data. It is just one feature that adds value to IPUMS data. Over time, many questions are often repeated. In this blog series we will be sharing some of these frequently asked questions. Maybe you’ll learn something. Perhaps you’ll just find these interesting. Regardless, we hope you enjoy.
Here’s one of those questions:
Where are the data quality flags for income variables?