The global caustic soda market was valued at USD 49.2 billion in 2025 and is expected to reach USD 51.2 billion in 2026, rising to USD 71.0 billion by 2033. The market is projected to expand at a 4.8% CAGR from 2026 to 2033. Asia Pacific remained the largest regional market, accounting for 57.2% of global revenue in 2025, while China held the leading country-level market share. A major factor...