These files enable researchers to replicate the NAS-based poverty measures described in report P60-227 (Alternative Poverty Estimates in the United States: 2003). Files with public use data to replicate the Supplemental Poverty Measure described in report P60-244 (The Resesarch Supplemental Poverty Measure: 2011) are posted at http://www.census.gov/hhes/povmeas/data/supplemental/public-use.html.