The interplay between good governance and national development is pivotal to policy formulation and socioeconomic progress in Nigeria. Good governance, characterized by transparency, accountability, and adherence to the rule of law, fosters sustainable development by strengthening institutional capacity and policy implementation. Comparative evidence from countries such as the United States and Sweden highlights that robust governance structures not only stimulate economic growth but also enhance social welfare and equality. In Nigeria, understanding and addressing governance challenges is essential for promoting national development and ensuring inclusive growth. This study examines the mechanisms through which governance influences development outcomes, drawing insights from both global examples and local contexts.