Peak phosphate supply could occur by 2033 (based on traditional fertilizer demand drivers and before accounting for LFP battery demand growth). Securing access to clean igneous rock-based phosphate deposits in politically safe jurisdictions becomes of increasing strategic importance as fertilizer and LFP battery demand grows.
Source: The Story of Phosphorus: Global Food Security and Food for Thought Dana Cordell, Jan-Olof Drangert, Stuart White; Global Environmental Change (2009).