Commodities / Alumina

Alumina production by company

Who produces the most alumina, taken from company quarterly reports.

Headlines

Largest producer
Rio Tinto
2,100 kt

Disclosed production in Q3 2026. Changes compare mines reporting on the same basis a year earlier.

Largest alumina producers, Q3 2026

Disclosed mine-level production, kt. Change on Q2 2026.

#CompanyProduction (kt)Change
1Rio Tinto2,100+4.9%

Only companies that disclose mine-level alumina volumes are ranked. This is disclosed production, not a complete global census.