Polity Atlas
OperatingParticipatory

Decidim Barcelona

Barcelona City Council's open-source participation platform, launched in 2016 and now used by many public bodies.

Location
Catalonia, Spain
Operating since
2016
Governance
Participatory
Legal status
Recognised
Economy
Not applicable
Autonomy level
Program within an existing state
Uses AI in governance
No

Decidim supports proposals, participatory budgeting, assemblies and consultations. The software is free and open-source and governed by a community of users.

Timeline

  1. 2016Barcelona City Council launches the Decidim platform. [S1]Established

Mechanisms in use

Claims

EstablishedCLM-0033 · checked 2026-10-23

Decidim is free and open-source software and is used by public institutions beyond Barcelona.[1]

Sources