Race and ethnicity data are particularly important given that they provide additional depth and context to the immigrant experience of specific groups. 4, 5, 10, 11 Consequently, we do not know the extent to which many SRH measures differ by nativity status (foreign-versus U.S.-born) and between ethnic subgroups. Few data sources collect disaggregated race/ethnicity data for subgroup analyses, provide comparable definitions of immigration status across surveys, use multilingual survey tools, and/or employ methodological techniques such as oversampling immigrants or linking individual-and population-level data sources to facilitate analyses. Research in the immigrant population has been constrained by data limitations, particularly at the subgroup level. 5– 7 Furthermore, the sexual and reproductive health (SRH) of many immigrant groups is not well-documented in the current public health literature. 8, 9 Despite the vast heterogeneity of the immigrant population, research rarely disaggregates immigrant data by factors such as race/ethnicity or length of stay. 8, 9 At the same time, their access to health care is often challenged due to lower rates of health insurance coverage, lack of familiarity with the health system, and linguistic barriers. 4– 7 Literature suggests that immigrants, broadly, have better birth and maternal health outcomes and lower overall mortality rates than the U.S.-born population. 3 (In this paper, we refer to the foreign-born population as immigrants.) With the rapid growth of the immigrant population and the country's changing political climate, researchers and advocates alike have called for more research on the health behaviors, needs, and outcomes of immigrants. 1, 2 The foreign-born population lives in every state in the country, with over half living in California, New York, Texas, and Florida. Since the passing of the Immigration and Nationality Act of 1965, the share of the United States population that was not born in the country has grown from 9.6 million or 5% of the total population to a record estimated population of 43.7 million (or 14%) in 2016. These sources present opportunities to advance research, improve public health surveillance, and inform policies and programs related to the SRH of this rapidly growing and often underserved population. At the national level, the National Longitudinal Study of Adolescent to Adult Health and the National Survey of Family Growth contained the most information at the local level, the New York City Community Health Survey was the most robust. We identified and reviewed 22 national and seven local sources. For each source, we evaluated the strengths and challenges of the study design and content as they relate to studying immigrant SRH. We review public-use sources from the last 30 years that include information on immigration, SRH, health service utilization, and race/ethnicity. This paper aims to identify, review, and evaluate publicly available national- and local-level data sources that collect information on the sexual and reproductive health (SRH) of immigrants in the United States.

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