Under Trump's 4 yrs , the nat'l debt has risen, by almost 7.8 Trillion. The growth in the annual deficit under Trump ranks as the 3rd biggest increase, relative to the size of the economy, of any U.S. Presidential admin.. Donald Trump built a national debt so big (even before the Pandemic)that will weigh down the economy for years, despite his promise to reduce it. What were Republicans saying? "Crickets".