The INFF Country Case Study provides a detailed analysis of Nigeria's efforts to create and implement Integrated National Financing Frameworks (INFFs) aimed at achieving sustainable development goals (SDGs). The case study offers insights into the methodologies, stakeholder engagements, and financial instruments used, highlighting successes, challenges, and lessons learned. This resource serves as valuable guide for policymakers, development finance professionals, and stakeholders interested in replicating these strategies to enhance their own sustainable development financing efforts.