Get the data

Every number on this site is available in machine-readable form, free to use with attribution to the National Taxpayers Union Foundation State Tariffs Tracker (tariffs.org), with estimates prepared by Trade Partnership Worldwide. Data refreshes quarterly, the same day new figures are released.

Endpoints

https://tariffs.org/data/current.json — the full current dataset: metadata, every state's summary, monthly series, and top import categories.

https://tariffs.org/data/states/<state-slug>.json — one state (e.g. /data/states/texas.json).

Schema, briefly

Monetary values are millions of USD. execTotalM is cumulative executive tariffs since January 2025. series is monthly: m label, s statutory, e executive. cats are the state's hardest-hit import categories with extra tariffs paid (extraM), average rate (avg), and the 2024 comparison rate (rate24). Full details: methodology.

Citing

“Source: National Taxpayers Union Foundation State Tariffs Tracker (tariffs.org); estimates by Trade Partnership Worldwide.” For press inquiries, see the press page.

About National Taxpayers Union Foundation

NTUF is the research and educational affiliate of the National Taxpayers Union, showing Americans how taxes, government spending, and regulations affect them. The State Tariffs Tracker is part of NTUF’s Free Trade Initiative.