That's a slight increase compared with a prior estimate from the Congressional Budget Office that had been made just before Republicans made final tweaks to get the legislation passed.

President Donald Trump’s recently enacted tax and spending law will add $3.4 trillion to US deficits over a decade and leave millions without health care coverage, according to a new estimate from the nonpartisan Congressional Budget Office.

President Donald Trump’s "big beautiful bill" will add $3.4 trillion to the U.S. national debt over the next decade, according to the nonpartisan Congressional Budget Office.