Semiconductor Photoresist Market is rebased to USD 3.05 billion in 2025, increases to an estimated USD 3.21 billion in 2026, and is projected to reach USD 4.85 billion by 2034. The selected source-page size anchors imply a 5.3% CAGR during 2026–2034. Asia Pacific is the largest market in 2025, while current demand is being reshaped by AI-driven leading-node wafer starts, EUV and High-NA EUV adoption, continued ArF/KrF demand at mature nodes, local semiconductor-material capacity expansion and stricter requirements for purity, line-edge roughness and stochastic-defect control.