North America remains the largest market for Tenofovir Disoproxil Fumarate (TDF), accounting for ~35% of global demand. Key drivers include robust adoption of antiretroviral therapies, high R&D investments by biopharma firms, and mature healthcare infrastructure. Europe follows at ~30%, supported by favorable reimbursement policies, aging demographics, and strong public healthcare systems. Asia Pacific is the fastest-growing region, with ~20% market share, fueled by rising HIV awareness, expanding access to affordable generics, and government-funded treatment programs. Latin America and the Middle East & Africa collectively represent ~15%, driven by improving healthcare access and targeted public-private partnerships.