Greece
Every USGS world production table for 2025 that names Greece: its share of each world total, its rank and its reserves.
Greece’s share of each world total, 2025
- Perlite3rd of 1418%
- ClaysBentonite mine production · 6th of 115%
- Pumice and pumicite3rd of 165%
- ClaysFuller’s earth mine production · 6th of 71.1%
- Bauxite and aluminaAlumina refinery production · 14th of 190.6%
- Magnesium compounds11th of 120.6%
- Bauxite and alumina13th of 130.2%
Greece’s largest world share was in perlite: 18% in 2025. It supplied 94% of U.S. imports of perlite in 2021–24. It ranked third of 14 listed producers of perlite and third of 16 listed producers of pumice and pumicite. It holds the largest reserves listed for perlite.
Production listings
ranks among countries with published figures
| Commodity | Measure | 2025 | Unit | Rank | Change on 2024 |
|---|---|---|---|---|---|
| Bauxite and alumina | Alumina refinery production | 850 | thousand metric dry tons | 14th of 19 | −1.7% |
| Bauxite and alumina | Bauxite mine production | 960 | thousand metric dry tons | 13th of 13 | −1% |
| Clays | Bentonite mine production | 1,000 | thousand metric tons | 6th of 11 | −2.9% |
| Clays | Fuller’s earth mine production | 50 | thousand metric tons | 6th of 7 | +2% |
| Magnesium compounds | Magnesite mine production (gross weight) | 130 | thousand metric tons, magnesite gross weight | 11th of 12 | −3% |
| Perlite | Mine production | 840 | thousand metric tons | 3rd of 14 | 0% |
| Pumice and pumicite | Mine production | 1,000 | thousand metric tons | 3rd of 16 | −1% |
Reserves
2 reserve figures published for Greece
| Commodity | Measure | Reserves | Unit | Rank | World share |
|---|---|---|---|---|---|
| Perlite | Reserves | 180,000 | thousand metric tons | 1st of 5 | – |
| Magnesium compounds | Magnesite reserves (gross weight) | 280,000 | thousand metric tons | 4th of 12 | 3.6% |
Supplier to the United States
share of U.S. imports, 2021–24
- Perliteall imports94%
- Pumice and pumiciteall imports80%
- Cementall imports9%
Similar producer profiles
most shared commodities, relative to both lists
- Turkey5 commodities in common
- United States5 commodities in common
- Spain4 commodities in common
- China4 commodities in common
Source: USGS Mineral Commodity Summaries 2026, world production and reserves tables. How ranks and shares are worked out.