Well, The largest proportion of federal revenue comes from the personal
income taxes. From more than 60 years, It has been the largest source of
the federal revenue. Around 43% of the federal revenue comes from
Income tax and around 35% revenue comes from Payroll taxes. Common
people give more contribute to the economy.
Here is the map. I know the map represents the amount of votes in the electoral college for each state, but I don't know the other part.
The British insensitivity to indian customs