We envisage a world where aid and development information is transparent, available and used for effective decision-making, public accountability and lasting change for all citizens.

Putting the trust in trust funds

Our latest blog looks at how transparent the EU Emergency Fund for Africa is

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New project: US Foreign Assistance

Our new project will measure the impact of changes to the US foreign assistance budget via open aid data

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With publication comes responsibility

We conducted research in Benin and Tanzania to find out more about what data is actually needed in partner countries.


Read the Report


Our report is the only independent global measure of transparency among the world’s leading aid donors.

Why does aid transparency matter?

Find out why aid transparency matters and how you can get involved


Putting the trust in trust funds: What has the EU achieved so far?

This blog was co-authored by Elise Dufief and Rupert Simons. We would like to thank Andy Lulham for research support and Niels Keijzer from the German Development Institute for comments on an earlier draft. It is now two years since the European Union (EU) set up the...

Donors must ensure that the data revolution is open by design

Open, accessible and joined-up data is crucial to the data revolution. It’s time for donors to take responsibility for it. Development data and information on its own can be very dry and difficult to dissect and analyse. The discussion on what constitutes Official...


Aid Transparency Index data collection

1st December 2017 – 9th March 2018
The period for data collection for the 2018 Aid Transparency Index covers just over three months. It allows donors to upload and test their data, including feedback from Publish What You Fund, before the final results are launched in June 2018.

Find out more details here.