We have revealed the full list of agencies that will be assessed in the 2026 Aid Transparency Index. A total of 34 organisations will be included, combining agencies that have opted into a new paid-for accreditation model with major bilateral donors assessed to preserve the Index’s role as an independent benchmark of transparency.

We are pleased to announce the organisations that have chosen to participate in the 2026 Aid Transparency Index. The Index will provide an independent assessment and accreditation of transparency performance, ensuring the sustainability of this vital global accountability tool while opening participation to a broader range of organisations than ever before.