What Tariffs Actually Collect
Monthly net customs duties received by the U.S. Treasury since 2015, with a trailing twelve-month total. The series shows the old baseline of roughly three billion dollars a month, the 2018-19 step up, and the 2025 explosion that lifted the trailing year to a quarter-trillion dollars — plus refund months in which net collections turned negative as struck-down duties were repaid. Updates with each Monthly Treasury Statement.
What does it show?
Customs duties ran about $3 billion a month for years, stepped up in the 2018 tariff round, then exploded in 2025 — the trailing twelve months brought in $214 billion. The refund swings show collections can reverse when duties are struck down or repaid.
Methodology
Net customs duties from the Monthly Treasury Statement's receipts-by-source table, via the Treasury FiscalData API, monthly since late 2014. Net means gross duties minus refunds, so months with large court-ordered or administrative refunds can print negative. The trailing 12-month line sums the latest twelve monthly values to show the underlying run rate through refund noise. Values are nominal dollars.