 The government also receives more than $4.2 billion annually in subsidies and federal aid from the United States.A substantial portion of this amount is earmarked for public welfare, including funding educational programs (such as Head Start), subsidized housing programs (such as (Section 8 and public housing projects), and a food stamp system called the Nutrition Assistance for Puerto Rico program.Government-owned corporations generate approximately $6.3 billion in general revenues by charging citizens for the services they provide.