Production and reserves by country
| # | Country | Production (t Nb content) | Share of world | Reserves share | Mapped sites |
|---|---|---|---|---|---|
| 1 | Brazil | 104,000 | 92.9% | No data | 56 |
| 2 | Canada | 6,900 | 6.2% | No data | 19 |
| 3 | Democratic Republic of the Congo | 930 | 0.8% | No data | 10 |
| 4 | Russia | 300 | 0.3% | No data | 4 |
| 5 | Rwanda | 210 | 0.2% | No data | 1 |
| 6 | China | 44 | 0.0% | No data | 6 |
| 7 | United States of America | 0 | 0.0% | No data | 82 |
Source: USGS Mineral Commodity Summaries, MCS 2026 (Public domain (US Government work)). "No data" means the figure is withheld or not reported. Reserve figures not shown: the published table could not be matched reliably. Countries not listed produce small amounts or are not reported.
Mine and deposit locations combine the USGS Mineral Resources Data System (public domain, last updated 2022, strongest for the United States and the Americas) and Wikidata (CC0, notable named mines). Coverage is uneven and partly historical, and status can be out of date: this is not a complete or current registry, and a point on the map is not an offer, a licence or evidence of a legal right. Production and reserve figures are from the USGS Mineral Commodity Summaries and are rounded estimates. Power plants are from the WRI Global Power Plant Database (CC BY 4.0), mostly 2018 to 2021. Nothing here is investment, legal or technical advice.