Trade research from Airlift USA
Original analysis of public trade and customs data, published in full with the underlying figures as downloadable CSVs. Every report states its source, its scope and what it leaves out, so the numbers can be checked rather than taken on trust.
Calculated U.S. import duties across 55 origins, March–July 2026
Calculated-duty ratios for the 55-origin sample, 2026-03 to 2026-07. Compares total import value and dutiable value by origin, month and product. Sample aggregates, not national rates or importer averages. Four CSVs included.
$6.80duty per $100 of imports across $1.48 trillion of trade
How we work
Reports here are built from primary sources — U.S. Census Bureau trade statistics, the Harmonized Tariff Schedule and published Federal Register actions — and the code that aggregates them lives in the same repository as this site. We publish the tables we used, not a summary of them, and we say where the data stops. Census calculated-duty figures may differ from amounts paid and do not predict the duty on a future shipment. They are not a classification opinion.
For a rate on a specific code and origin, use the tariff simulator. For the dated log of tariff actions behind these numbers, see U.S. tariff updates. Journalists and researchers who want the extract behind a report, or a walk-through of the definitions, can reach us at contact@airliftusa.com.