MFN Rate (Most Favored Nation)
Trade Agreements & Rates · Tariff Rates
What is MFN Rate (Most Favored Nation)?
The MFN (Most Favored Nation) rate is the standard customs duty rate a country charges on imports from any World Trade Organization member it doesn't have a specific trade agreement or trade dispute with. Despite the name, it isn't a special discounted rate for one favored country - it's the normal, baseline rate applied broadly.
A country can charge a lower rate than its MFN rate to a trade-agreement partner, or a higher rate to a specific country under a trade remedy like a Section 301 or anti-dumping tariff, but it generally can't charge a country a rate above MFN without such a specific measure in place, under WTO rules.
Despite its name, the MFN rate is just the normal, everyday duty rate - think of it as the standard sticker price, before any special discount (a trade agreement) or surcharge (a trade dispute tariff) is applied.
When to Use It
The MFN rate is the right baseline to check when there's no free trade agreement between the origin and destination country, and no active trade dispute pushing the rate higher - it's the default answer to 'what's the duty rate' absent any special circumstance.
Frequently Asked Questions About MFN Rate (Most Favored Nation)
Why is it called 'Most Favored Nation' if it's just the standard rate?
The name is a historical WTO principle: a member must offer the same standard rate to all other members equally (as if each were the "most favored"), rather than negotiating a different baseline rate country by country.
Can a country charge a rate higher than its MFN rate?
Yes, but only through a specific additional measure - like an anti-dumping duty or a tariff imposed under a mechanism like Section 301 - not simply at will, under WTO rules that bind most members to their published MFN schedule.
Does a free trade agreement replace the MFN rate?
For qualifying goods, yes - an FTA typically reduces the applicable rate below MFN, sometimes to 0%, for goods that meet its rules of origin. Non-qualifying goods from that same country still face the standard MFN rate.
How Well Do You Know MFN Rate?
3 questions - about a minute.