This paper examines the spending for health care of adult naturalized citizens and immigrant noncitizens (including some undocumented immigrants) compared to U.S. natives, as documented in data from the 1999-2006 Medical Expenditure Panel Surveys (MEPS): "inflation and age-adjusted health care expenditures among noncitizen immigrants were consistently … lower than those of naturalized citizens and U.S. natives during 1999-2006."
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