Links and articles are all over the internet, and the New York Times has a paywall for most articles, so I’ll just post a link to the relevant MetaFilter thread:
MetaFilter: surely this.
“Long-Concealed Records Show Trump’s Chronic Losses and Years of Tax Avoidance [NY Times]. Donald J. Trump paid $750 in federal income taxes the year he won the presidency. In his first year in the White House, he paid another $750.
He had paid no income taxes at all in 10 of the previous 15 years — largely because he reported losing much more money than he made.”