| Company | Reserves, mln lb | Production/yr, mln lb | R/P, yrs |
|---|---|---|---|
| Southern Copper | 512 717 | 2 719 | 188.6 |
| Freeport-McMoRan | 128 868 | 4 510 | 28.6 |
| Hudbay Minerals | — | 460 110 | — |
All figures are in millions of the metric unit; within a commodity the unit is consistent (oil & gas harmonised to mln boe, gas converted at 6 mcf ≈ 1 boe). Source — issuers' Production & Reserves disclosures (SEC / IFRS / KASE).