Colombia supplies 72.9% of U.S. imports of Manganese Dioxide, across 9 countries (year to date through August 2026).
HHI 5,708 of 10,000 · HHI above 1,800. The sum of each country’s squared percentage share; one country with everything scores 10,000.
9 countries supplying this product to the U.S.
| Rank# | Country | Value | Share | YoY | Duty |
|---|---|---|---|---|---|
| 1 | Colombia | $1.6M | 81.6% | +9.1% | 0.0% |
| 2 | Greece | $270K | 13.4% | -- | 4.7% |
| 3 | Belgium | $53K | 2.6% | -- | 4.7% |
| 4 | Brazil | $26K | 1.3% | -45.6% | 4.7% |
| 5 | India | $23K | 1.1% | +1025.6% | 4.7% |
| 6 | Japan | -- | 0.0% | -98.9% | -- |
| 7 | United Kingdom | -- | 0.0% | -- | -- |
| 8 | China | -- | 0.0% | -22.5% | -- |
| 9 | Mexico | -- | 0.0% | +27.5% | -- |
Duty is the duty Census calculated on this month's imports for consumption from each country, as a share of their customs value. It applies the rates in force, additional duties such as Section 301, 232 and IEEPA included and claimed trade-agreement preferences netted out, so it is an observed rate rather than a statutory one. It is an estimate, not duty collected: antidumping and countervailing duties, fees and later refunds are not in it. YoY compares year-to-date value with the same months last year.