U.S. Budget Balancing Act: Navigating Tariffs and Deficits

In May, the U.S. budget deficit decreased by $23 billion to $293 billion due to prior-year payment adjustments, but after accounting for calendar shifts, it increased by $71 billion. The month saw significant customs duty refunds following illegal tariff declarations, impacting the overall deficit. Treasury receipts and outlays set new records.

The U.S. budget deficit for May fell by $23 billion to $293 billion, primarily due to prior-year calendar adjustments in benefit payments, according to the Treasury Department. While both expenditures and revenue declined, the latter experienced a significant impact from the refunding of President Donald Trump's emergency tariffs.

However, when accounting for calendar shifts of some June 2025 payments into May, the adjusted deficit deficit increased by $71 billion, or 32%, from the previous year. Customs duty refunds in May amounted to $21.97 billion against gross collections of $21.93 billion, resulting in net customs outflows of $42 million for the month.

Notably, U.S. Customs began issuing refunds of around $166 billion collected from tariffs declared illegal by the U.S. Supreme Court. As customs receipts remain a significant treasury revenue source, proposals to reform tariffs, including duties on weak enforcement of anti-forced labor laws, are underway. Fiscal year-to-date figures highlighted record receipts and outlays.