Anchored by a 2025 market size of ~US$ 770 million (base-year revenues), the Anthrax Vaccines market size is projected to reach US$ 1.35 billion by 2033, registering a CAGR of 7.3% during the forecast span 2026-2033. Key accelerators include sustained BARDA and DoD stockpiling contracts in the United States, expanding One-Health initiatives across South Asia, and next-generation recombinant formulations that shorten the dosing regimen from three doses to two. Supply-chain resilience has tightened as single-source fill-finish sites in Europe move to dual-sourcing, while competitive intensity is rising as Indian and South-Korean firms advance low-cost PA (protective-antigen) vaccines through WHO pre-qualification. North America retains the largest share (> 42%) thanks to federal procurement, but Asia-Pacific is the fastest-growing region, driven by burgeoning veterinary demand and government efforts to curb endemic anthrax in Bangladesh, India, and China.