
European Commission
EC
The executive of the European Union: it proposes EU data law and tracks how member states progress on open data every year.
What they publish
- Open Data MaturityIndex
- A yearly assessment of open data policy, portals, impact and quality in EU member states and partner countries.
- Data Governance ActRegulation
- Regulation (EU) 2022/868: rules for trusted data intermediaries, data altruism and the reuse of protected public-sector data.
- Data ActRegulation
- Regulation (EU) 2023/2854: fair access to and use of data generated by connected products and related services.
- DCAT-APStandard
- The DCAT application profile for describing public-sector datasets in European data portals.
Measures open data by country
Open Data Maturity · since 2015 · EU member states and partner countries
- Policy: Laws, strategies and commitments that require or support open data.
- Portals: National portals, discoverability and ease of access.
- Quality: Timeliness, metadata and data quality.
- Impact: Evidence that published data is reused and makes a difference.
Working on similar things
ODI
Non-profit · since 2012
Open Data Institute
Co-founded in 2012 by Sir Tim Berners-Lee and Sir Nigel Shadbolt to build an open, trustworthy data ecosystem through research, training and practical tools.

OECD
Intergovernmental · since 1961
Organisation for Economic Co-operation and Development
An intergovernmental organisation that sets policy standards for its members, including on open government data and data governance in the public sector.

OCP
Non-profit · since 2015
Open Contracting Partnership
Works to open up public procurement, one of the largest areas of government spending, so contracts can be followed from planning to delivery.