Development finance topics

Decentralised Development Co-operation


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The OECD Development Assistance Committee (DAC) collects aid flow data at activity level based on a standard methodology and agreed definitions. Decentralised Development Co-operation (DDC) as currently captured in ODA, reflects “aid provided by the public sector other than the central government”.

See the data

Decentralised Development Co-operation

  • Trends in decentralised development co-operation
  • Decentralised development co-operation by donor
  • Decentralised development co-operation by sector

Although a universally agreed definition of “decentralised co-operation” does not currently exist, CRS data collection allows, through the CRS agency codes, a means for donors to “tag” project-level data provided by institutions at the level of municipalities, provinces, federal states, regions or other sub-national actors.


Each DAC member decides which and how many agency codes to report depending on the governance structure (federal, decentralised, or other) and interest to report. Today, 13 DAC members report on project-level DDC activities.



Read reports

Reshaping Decentralised Development Co-operation: The Key Role of Cities and Regions for the 2030 Agenda


Further reading




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