More than ever, policymakers face increasing pressure to deliver results with limited public resources. About half of the 140 Sustainable Development Goal (SDG) targets are off-track, and the financing gap has widened from USD 2.5 trillion to at least USD 3.9 trillion annually since the pandemic. Enhancing the effectiveness and efficiency of development spending from both the public and the private sectors is imperative to achieve the objectives of the 2030 Agenda for Sustainable Development.
As noted by the UN's FFD4 site, “The Fourth International Conference on Financing for Development (FFD4) provides a unique opportunity to reform financing at all levels, including to support reform of the international financial architecture and addressing financing challenges preventing the urgently needed investment push for the SDGs.
The International Conferences on Financing for Development are the only space where leaders from all governments, along with international and regional organizations, financial and trade institutions, businesses, civil society and the UN System unite at the highest levels, fostering stronger international cooperation.” Read more here
Outcomes-Based Financing (OBF) – defined as approaches that link funding directly to the achievement of measurable outcomes — is more relevant than ever in an era of shrinking ODA, political instability, and multiple concurrent crises. OBF can help advance key pillars of the FfD4 agenda by aligning stakeholders and financing around shared outcomes. It offers a powerful tool to improve the efficiency, transparency, and effectiveness of both public and private capital. OBF models are already helping governments and funders align incentives across sectors such as education, health, employment, and climate resilience. Read more on OBF here.
The Outcomes Finance Alliance is a global hub for expertise and collaboration for those organizations interested in using outcomes-based finance approaches to enhance development effectiveness and SDG impact. Since 2018, OFA members have worked collaboratively to mainstream and scale OBF approaches, to enhance the impact that these approaches can have in the efforts to attain the SDGs. Read more on OFA here.
OFA’s Summit 2025 was convened in Cali, Colombia, from April 22–24 to take stock of the latest developments in outcomes-based financing (OBF), including first-hand insights into how actors in Colombia's ecosystem have used OBF to prioritize quality and impact. The Summit also served to build consensus around the role of OBF in the FfD4 process among OFA members and around the value of OECD guidance to support the scaling of OBF for greater SDG impact. Read more on the OFA Summit here.
The Cali Declaration sums up the conversations at Summit 2025, and distills the community’s call to action, to its members and the international community, to raise the ambition and scale the use the OBF with the backing of internationally recognized guidance, so it can be used at its fullest potential for greater SDG impact in FfD4. Read the Cali Declaration here.

The Outcomes Accelerator was conceived by address the key barriers impeding the market and catalyze the market’s capacity to translate learning from pilots into replication and scaling of impact.
Despite this growing interest outcomes-based financing approaches, the ecosystem remains in an early-learning phase.
Most transactions are a first-of-a-kind demonstration projects, often in a specific theme or geography, with long lead times. Outcomes payers, service providers and investors confront steep learning curves as parties gain experience. Donor agencies and domestic governments in developing countries remain constrained by low capacity, limited access to the skills and expertise and a range of institutional barriers and cultural disincentives that limit that testing and use of outcomes-based approaches.


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