World production trend of aluminium (in million tons per year)
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<ul><li>1900–2015: "Aluminum". <a rel="nofollow" class="external text" href="https://minerals.usgs.gov/minerals/pubs/historical-statistics/">Historical Statistics for Mineral Commodities in the United States</a> (Report). United States Geological Survey. 2017. Retrieved 9 November 2017.</li>
<li>2016: <a rel="nofollow" class="external text" href="https://s3-us-west-2.amazonaws.com/prd-wret/assets/palladium/production/mineral-pubs/aluminum/mcs-2018-alumi.pdf">"Mineral Commodity Summaries"</a>. U.S. Geological Survey. January 2018. Retrieved 18 September 2020.</li>
<li>2017: <a rel="nofollow" class="external text" href="https://prd-wret.s3-us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/atoms/files/mcs-2019-alumi.pdf">"Mineral Commodity Summaries"</a>. U.S. Geological Survey. February 2019. Retrieved 18 September 2020.</li>
<li>2018: <a rel="nofollow" class="external text" href="https://pubs.usgs.gov/periodicals/mcs2020/mcs2020-aluminum.pdf">"Mineral Commodity Summaries"</a>. U.S. Geological Survey. January 2020. Retrieved 18 September 2020.</li></ul>