Question

What are the 2 main sources of income for the federal government

Answer 1

The two main sources of income for the Federal Government come from the taxes paid by individuals and the social insurances. On the one hand, the taxes paid by individuals based on their income, and, on the other hand, the taxes paid by social insurances which come from the payroll of individuals.  

Answer 2

I believe the answer is sales and property taxes and fees