The Trump administration has imposed sweeping tariffs on various US trading partners (BBC, Tax Foundation). Customs duties are tariffs or taxes imposed on goods when transported across international borders (US Customs and Border Protection). The question will be suspended on 30 June 2025 and the outcome determined using data as provided by the US Department of Treasury once data for June 2025 are first reported (Department of the Treasury). On the site, set the "Date Range (Record Date):" as appropriate and enter "Customs Duties" in the field under "Classification Description," and click "Download CSV File" to download the data. The monthly values can be found in columns E to P in the downloaded file, which are arranged by fiscal year (e.g., 2025 in the “Fiscal Year” column corresponds to columns E to P representing October 2024 to September 2025). As of the launch of this question, the Department of Treasury reported a total of $17,914,515,098.48, or $17.9145 billion in customs duties revenue in the second quarter of 2024. The data are also available in the US' Monthly Treasury Statements (see the "Customs Duty" row of "Table 7 Receipts and Outlays of the U.S. Government by Month") (Monthly Treasury Statement - Current, Monthly Treasury Statement - Previous).

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The question closed "At least $56 billion, but less than $72 billion" with a closing date of 1 July 2025.

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