Development Data Library (DDL)

An Effort of USAID AidScape


The Development Data Library (DDL) is USAID’s public repository of Agency-funded, machine readable data. The DDL is part of USAID’s commitment to evidence-based programming and rigorous evaluation.  In October 2014, USAID announced its first ever open data policy, Automated Directives System (ADS) 579 – USAID Development Data.  


Q&A on StackExchange - Ask general questions.

GitHub - Log bugs; provide technical feedback.

Email - Contact the USAID data team at

FAQ - For more information about USAID's Development Data Policy, please see our Frequently Asked Questions.


Complete the DDL Submission Form to upload data to the Development Data Library.


Check out our engagement page to keep up-to-date with opportunities to explore and generate insights using USAID's data.

Public Data Listing

This dataset will contain phenotypic observations of a large number of wheat genotypes evaluated in 2016-2017 and 2017-2018 at the International Maize and Wheat...
The index is a significant innovation in its field that measures multiple indicators of empowerment, and generates "scores" that can be compared over time...
The YMEP provides USAID/Yemen with a secure web-based database integrated with existing information systems and accessible to both United States Government and the...
The Safe Love campaign was a three-year comprehensive HIV prevention behavior change and communication (BCC) initiative implemented between June 2011 and June 2014...