The 2024 UK Criticality Assessment, published in November 2024, finds that 34 minerals out of the 82 candidate materials assessed are ‘critical’. This is an increase relative to the 2021 assessment, where only 26 candidate materials were assessed and 18 assessed as critical.
Of the 18 minerals classed as critical on the 2021 list, 17 remain critical in this new assessment — palladium is now below the criticality threshold — whilst notable additions in 2024 include nickel, iron, germanium, aluminium and chromium (plus others). The new list reflects the increased scope of assessment and the advances in the methodology used.
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