How can we define which EU countries are giving more power to regions? Which patterns are used to evaluate it?

To define which EU countries empower their regions more, we evaluate the devolution of authority using several key patterns and indicators. This assessment focuses on the extent to which regional governments possess genuine self-rule and influence.

1. Constitutional & Legal Frameworks

• Federal vs. Unitary Systems: Federal countries (e.g., Germany, Belgium, Austria) intrinsically grant more autonomy to regions by dividing power between central and regional governments. In contrast, unitary systems like France consolidate power nationally, though recent reforms might introduce some decentralization.
• Asymmetrical Devolution: Some countries (e.g., Spain, Italy) grant special, enhanced autonomy to specific historical or culturally distinct regions (e.g., Catalonia, Basque Country in Spain; Sardinia, Sicily in Italy).
• Devolution: This involves the transfer of authority from a central government to regional governments, as seen in Spain.
• Deconcentration: This redistribution of power and resources occurs within an inherently centralized system, as observed in countries like France and Italy, where the central government retains fundamental control.

2. Fiscal Autonomy

• Taxation Powers: Regions with the authority to set and collect their own taxes (e.g., the Basque Country in Spain) demonstrate greater fiscal power.
• Revenue Sharing: Systems where regions control significant portions of budgetary resources (e.g., Germany's Länder or Belgium's regions) indicate higher levels of fiscal decentralization.
• Fiscal Decentralization Indicators: The proportion of public expenditure controlled by regional governments and regional expenditure as a percentage of GDP are key measures.

3. Legislative & Administrative Powers

• Exclusive Competences: Regions holding lawmaking authority in critical areas such as education, healthcare, or policing (e.g., German states, Flanders in Belgium) possess substantial power.
• Policy Scope: The range and depth of policy areas where regional governments have authority is a crucial indicator.
• Subsidiarity: Decision-making as close as possible to the citizen, for example, strong local governance in Nordic countries.

4. Political Representation

• Regional Governments: The presence and strength of regional executives and parliaments (e.g., Belgium's regional parliaments, Spain's autonomías) underscore regional influence.
• Upper Houses: Federal states often ensure regional representation in national legislatures (e.g., Germany’s Bundesrat), providing a voice for regional interests at the national level.
• Representation in National Institutions: The ability of regional representatives to participate effectively in national decision-making.

5. European Integration

• Committee of the Regions (CoR): Active participation in this EU advisory body can signify regional influence.
• Direct EU Engagement: Certain regions (e.g., Catalonia or Bavaria) sometimes engage directly with EU institutions on specific matters, bypassing national governments.

6. Decentralization Indices & Data

• Regional Authority Index (RAI): This academic metric systematically scores self-rule, considering legislative power, representation, policy scope, and fiscal autonomy. Countries like Belgium, Germany, Spain, and Austria consistently rank highly.
• OECD Fiscal Decentralization Database: This provides data measuring subnational revenue and expenditure shares, offering empirical insights into fiscal power distribution.

Patterns in the EU

• Most Decentralized: Belgium, Germany, Spain, and Austria consistently emerge as countries with high levels of regional autonomy, primarily due to their federal or significantly devolved systems.
• Moderate Decentralization: Italy, Finland, and Sweden show moderate levels, often characterized by strong local governance or asymmetrical devolution.
• More Centralized: Countries like France, Portugal, and Greece tend to be more centralized, despite France's ongoing, gradual decentralization reforms within its Régions.

It's important to remember that this is a dynamic landscape. Cultural and linguistic factors often drive regional autonomy demands, and the degree of decentralization can evolve over time.

For precise and detailed rankings, consulting specialized academic metrics like the Regional Authority Index (RAI) or empirical data from Eurostat/OECD on fiscal decentralization is recommended.