The plastic depolymerization catalysts market is estimated at USD 920.6 million in 2026, is projected to reach USD 3,237.4 million by 2036 and is forecast to register a 13.4% CAGR between 2026 and 2036. In 2026, enzymatic catalysts hold 34.5% of the catalyst type category and PET represents 48.0% of polymer feedstock demand.