This report identifies water infrastructure as a critical yet underfunded pillar of global economic resilience, with a €6.5 trillion financing gap against a total need of €11.4 trillion by 2040. It highlights that closing this gap could generate €8.4 trillion in GDP and support over 200 million jobs. The paper outlines four key drivers of demand: equitable access, infrastructure resilience, circularity and innovation. It also presents four enablers—policy reform, financial innovation, technology adoption and cultural change—to unlock investment at scale. Through case studies and best practices, it emphasizes that the challenge is not a lack of solutions but the ability to scale them. The central message is that coordinated action across governments, industry and finance can transform water

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