alumina production

Alumina production measures refined aluminium oxide output - the intermediate refinery product converted into aluminium metal in smelters. It sits between two other series buyers often conflate: bauxite mined upstream and primary aluminium smelted downstream.

Three cataloged sources publish it at different rhythms. The International Aluminium Institute Statistics carry a monthly alumina production series (tagged 'alumina') within twelve recurring series spanning roughly five decades across ten reporting regions, delivered as HTML tables and PDF info sheets. The USGS Mineral Yearbook dedicates chapters to aluminum and bauxite - about 20 pages and 13 tables per aluminum chapter - at national annual granularity. India's Bureau of Mines includes alumina in its production statistics, with yearbook output arriving as PDF (IMYB 2024 alone runs roughly 680 pages).

Mixing up the three metals-chain stages corrupts every balance model. Alumina tonnage is not aluminium tonnage, and no cataloged series reports both stages in one table - the IAI splits them into separate monthly series, USGS into separate chapters - so a feed mislabeled at this boundary breaks consumption ratios, capacity utilisation and trade-gap calculations quietly.

Frequency also drives fit. Refinery outages show up in the IAI monthly series within weeks, while USGS and Indian Bureau of Mines yearbooks confirm annual totals months later. And the sources differ in depth: IAI reports ten regions, USGS works nationally with company/facility detail only for US capacity, and the Indian Bureau of Mines adds deposit-level national inventory context no Western series carries. Choose by the decision cadence, not the longest history.

1. Check the stage boundary first. Confirm rows measure alumina, not bauxite or primary aluminium - the IAI series is tagged 'alumina', USGS splits dedicated bauxite and alumina chapters.

1. Match frequency to your decision cycle. IAI updates monthly; USGS and the Indian Bureau of Mines publish annually - outage response needs the monthly series.

1. Mind the regional cut. IAI reports ten regions over roughly five decades; USGS reports national totals - cross-region modelling needs the IAI cut.

1. Budget for format friction. All three ship as PDF or HTML tables rather than CSV, so parsing effort belongs in the estimate.

1. Triangulate one country-year across sources. Where IAI monthly sums disagree with the USGS annual figure, the reconciliation note explains methodology differences worth knowing.

These glossary entries sit next to alumina production:

• bauxite-reserves
• primary-aluminium-production