Supply chain footprint — snapshot year 2025
| Element | Share % | Quantity | Global rank | Confidence | Notes |
|---|---|---|---|---|---|
| Re rhenium |
4.8% | 3,000 kg per year | 6th | high | USGS MCS 2025 table: Korea, Republic of 3,000 kilograms in 2024. byproduct of Cu, Mo |
| S sulfur |
3.6% | 3.1 million tonnes per year | 9th | high | USGS MCS 2025 table: Korea, Republic of 2024e = 3,100 thousand metric tons. |
| Ca calcium |
1.2% | 5.1 million tonnes per year | 8th | high | USGS MCS 2025 table: Korea, Republic of 2024e = 5,100 thousand metric tons. |
| Mo molybdenum |
0.1% | 300 tonnes per year | 15th | high | USGS MCS 2025 table: Korea, Republic of 300 metric tons 2024e, down from 339 in 2023. Republic of Korea also imports and… |
| Ga gallium |
0.0% | 3.0 tonnes per year | 3rd | high | byproduct of Al, Zn |
| Element | Share % | Quantity | Global rank | Confidence | Notes |
|---|---|---|---|---|---|
| Cd cadmium |
18.8% | 4,500 tonnes per year | 2nd | high | Republic of Korea 2024e: 4,500 metric tons. byproduct of Zn |
| In indium |
17.0% | 180 tonnes per year | 2nd | medium | Republic of Korea. 180 t from USGS MCS 2025 World Refinery Production and Capacity table, 2024 estimated column. Share d… byproduct of Zn |
| Bi bismuth |
6.2% | 1,000 tonnes per year | 3rd | high | USGS 2024e refinery production for the Republic of Korea: 1,000 metric tons. byproduct of Pb, Zn |
| O oxygen |
5.0% | 5.3 million tonnes per year | 4th | low | South Korea's steel industry remains oxygen-intensive despite decarbonization pilots. |
| Fe iron |
3.5% | 66.0 million tonnes per year | 6th | high | |
| Cu copper |
2.3% | 0.6 million tonnes per year | 7th | high |
| Element | Share % | Quantity | Global rank | Confidence | Notes |
|---|---|---|---|---|---|
| Mo molybdenum |
0.1% | 8,000 tonnes | 14th | high | USGS MCS 2025 table: Korea, Republic of 8 thousand metric tons. |