Individuals & families have contributed between 40% and 50% of federal revenue since 1945.
Corporations’ contributions have declined from 10% since 1945.
Corporate contributions were at 10.8% in 2015.
As a share of GDP “corporate tax revenues have fallen…from 5.9 percent in 1952 to 1.9 percent in 2015.”
Trump/Republican tax reform would lower corporate contributions further.
SOURCES:
AND