in 2017.

"As a result, debt held by the public increased to 78 percent of GDP at the end of 2018 -- about 2 percentage points higher than the amount in 2017 and the highest percentage since 1950," the CBO said.

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Council of Economic Advisers chairman Kevin Hassett said Thursday morning that Trump is "absolutely" concerned about the rising national debt, CNN reported.

"We can disagree about a lot of things but we can agree maybe now is the time to get serious about the deficit," he said.

Hasset added the rising debt contributed to Trump's decision in October to call for each Cabinet agency to institute budget cuts of at least 5 percent for their departments in 2019.

The rate of increase inthe national debt, which was accelerated by stimulus measures passed by the Obama administration in the wake of the 2008 financial crisis, began to flatten early on in Trump's presidency but increased after the passage of the 2017 tax bill.

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