In the last 70 Congressional Years: Democrats had control for 42 years and Republicans for 16 years with 12 split.
It is Congress who Collects, Spends, Borrow Money and controls the Debt Ceiling not the President.
Democrats were in control of Congress when the US Debt went over 1 Trillion, 3 to 4 Trillion, and 11 to 14 Trillion.
Republicans were in control of Congress when the US Debt went over 5 to 9 Trillion.
Congress was Split when the US Debt went over 2 Trillion, 10 Trillion and 15 to 17 Trillion.
Conclusion: Both Democrats and Republicans are the fault of the U.S. Debt Problems.