The purpose of this study is to investigate race/ethnic differences in disability in the United States with an emphasis on immigrant populations and their U.S. born counterparts. The study utilizes the 5% PUMS sample from the 2000 Census of Population; the 2000 Census included a new set of questions on disability. The Census provides the most comprehensive information on race/ethnicity available in US data sources and the size of the 5% sample makes the Census the only data source that permits detailed analyses of health status among smaller race/ethnic subgroups in the United States. These data will be used to investigate race/ethnic differences in disability by age, place of birth, and length of stay in the United Sates, with and without controls for other individual and household-level characteristics. The results of the proposed analyses will advance our understanding of variations in health status among native-born and foreign-born Hispanics, NH-Whites, African-origin populations, and Asian Americans, including subpopulations within these broad race/ethnic groups.