The rapid growth of the digital economy and financial innovation worldwide is underpinned by robust digital infrastructure and strategic investments in data centers. As global economies increasingly rely on data- driven technologies and financial digitization, data centers have emerged as critical enablers of economic growth, connectivity, and financial inclusion. This review explores the transformative role of digital infrastructure in bridging the digital divide, enhancing data accessibility, and driving economic integration across emerging and developed markets. It examines how investments in data centers support financial innovation, enable secure and scalable digital transactions, and foster an ecosystem conducive to technological advancements. Additionally, the paper highlights challenges such as energy consumption, cybersecurity risks, and regulatory complexities that could hinder the full potential of data center investments. By analyzing recent trends, case studies, and policy frameworks, this study underscores the importance of coordinated efforts between governments, private sectors, and international organizations to build sustainable, inclusive, and resilient digital economies through strategic infrastructure investments.