North America dominates the Lentivirus Transfection Reagent market, capturing 40% of the global share, driven by advanced biotech infrastructure, high R&D investments, and robust adoption of gene therapy in the U.S. and Canada. Europe follows with 25%, fueled by stringent regulatory frameworks (e.g., EMA guidelines), EU Horizon Europe funding, and strong cell therapy pipelines in Germany and the UK. Asia Pacific, the fastest-growing region at 12% CAGR, benefits from expanding biotech ecosystems in India and China, rising R&D investments, and cost-competitive manufacturing. Latin America (10%) and Middle East & Africa (5%) lag due to limited infrastructure and fragmented healthcare ecosystems but show niche growth potential in Brazil and Gulf states. Regional forecasts highlight Asia Pacific as a key investment hub, while North America maintains leadership in innovation.