The global compostable plastic packaging material market is projected to grow from USD 2.1 billion in 2025 to USD 3.5 billion by 2035, at a CAGR of 5.2%. Polylactic acid (PLA) is estimated to hold a 36.4% share of the material segment in 2025. The food and beverage industry is expected to lead end-use demand with a 48.7% share by 2025.