President Donald Trump’s increased tariffs on U.S. imports from foreign countries could reduce the national deficit by $4 trillion over the next decade, the Congressional Budget Office estimated on Friday.

If Trump’s global tariff hikes continue, increased revenue could shrink primary deficits by $3.3 trillion and cut federal interest payments by $0.7 trillion over the next decade, CBO, Congress’ nonpartisan analyst, said.

U.S. tariff rates across countries and products averaged 16.7% in August, up from 15.1% in June, according to Oxford Economics. More than $26 billion in duties have been assessed by U.S. Customs and Border Protection this fiscal year, far surpassing the hundreds of millions recorded in the previous year, according to the analysis.

Read the article.