The map shows one year at a time. This page shows the direction of travel — how tariff rates have moved, how differently the four official definitions answer the same question, and when governments actually reached for tariffs.
Pick countries to overlay. Each line is that country's average applied rate in the selected definition.
The World Bank publishes four "average tariff" series. They disagree — often by a factor of five.
A news report says a country's "average tariff is 9%." Another says it is "under 2%." Both cite the World Bank. Neither is lying — so what should you ask before believing either one?
Every major tariff action, 1930–2026, stacked by who imposed it. The two dense clusters are the story of the century.
Straight from the US Federal Register, fetched when you loaded this page.