[...] virtually every American gets some kind of government subsidy...people who have mortgages or employer-sponsored health care (big tax deductions) to those who work for or invest in big companies (big corporate tax subsidies). Recipients of Social Security and Medicare get back far more in benefits than they paid in taxes.
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Welfare Use:
Medicaid, food stamps, housing assistance, Supplemental Security Income, and Temporary Assistance for Needy Families (TANF) & General Assistance (which are what remain of the old welfare system)
*In any given month during 2012:
42 percent of black Americans received a means-tested benefit, 
36 percent of Hispanics, 
18 percent of Asians/Pacific Islanders  
13 percent of non-Hispanic whites. 

Mainly on behalf of citizen children: 
Immigrant households have much higher use of food programs-40 percent vs 22 percent for natives
Medicaid-42 percent vs 23 percent
Immigrant use of cash programs is somewhat higher than natives-12 percent vs 10 percent.