DR Congo
Every USGS world production table for 2025 that names DR Congo: its share of each world total, its rank and its reserves.
DR Congo’s share of each world total, 2025
DR Congo was the world’s largest producer of cobalt and tantalum in 2025, by USGS figures. That included 73% of world cobalt. It ranked second of 6 listed producers of industrial diamond, second of 14 listed producers of copper, and third of 6 listed producers of niobium. It holds the largest reserves listed for cobalt.
Production listings
ranks among countries with published figures
| Commodity | Measure | 2025 | Unit | Rank | Change on 2024 |
|---|---|---|---|---|---|
| Cobalt | Mine production | 230,000 | metric tons, cobalt content | 1st of 12 | +1.8% |
| Copper | Mine production | 3,200 | thousand metric tons, copper content | 2nd of 14 | +7% |
| Copper | Refinery production | 2,800 | thousand metric tons, copper content | 2nd of 17 | +9.4% |
| Gemstones | Gem-quality natural diamond mine production | 2,000 | thousand carats | 7th of 12 | +2% |
| Industrial diamond | Natural industrial diamond mine production | 7 | million carats | 2nd of 6 | 0% |
| Niobium | Mine production | 970 | metric tons, niobium content | 3rd of 6 | +4.3% |
| Tantalum | Mine production | 1,300 | metric tons, tantalum content | 1st of 11 | +2.4% |
| Tin | Mine production | 27,000 | metric tons, tin content | 5th of 14 | +3.8% |
Reserves
5 reserve figures published for DR Congo
| Commodity | Measure | Reserves | Unit | Rank | World share |
|---|---|---|---|---|---|
| Cobalt | Reserves | 6,000,000 | metric tons | 1st of 12 | 50% |
| Gemstones | Gem-quality diamond reserves | 150,000 | thousand carats | 3rd of 7 | – |
| Industrial diamond | Reserves | 150 | million carats | 3rd of 6 | 8.8% |
| Copper | Reserves | 80,000 | thousand metric tons | 4th of 14 | 8.2% |
| Tin | Reserves | 91,000 | metric tons | 9th of 10 | – |
Supplier to the United States
share of U.S. imports, 2021–24
Similar producer profiles
most shared commodities, relative to both lists
Source: USGS Mineral Commodity Summaries 2026, world production and reserves tables. How ranks and shares are worked out.