86 representatives of a public administration at local, regional, national or European level, have signed the Declaration. See also our interactive map at ec.europa.eu.
| Position | Public Administration | Level Sort descending | Country |
|---|---|---|---|
| Mayor | City of Porto | Local | Portugal |
| Mayor | Szombathely | Local | Hungary |
| Mayor | Municipality of Šmartno pri Litiji | Local | Slovenia |
| Mayor | Ayuntamiento de las Rozas de Madrid | Local | Spain |
| Mayor | Ville de Saint-Quentin | Local | France |
| Mayor | City of Aarhus | Local | Denmark |
| Mayor | City of Vantaa | Local | Finland |
| Mayor | Municipality of Novo Mesto | Local | Slovenia |
| Mayor | Municipality of Vari-Voula-Vouliagmeni | Local | Greece |
| Mayor | City of Dortmund | Local | Germany |
| Mayor | City of Athens | Local | Greece |
| Mayor | Lublin City Office | Local | Poland |
| Mayor | Município de Guimarães | Local | Portugal |
| Mayor | Municipality of Kavala | Local | Greece |
| Mayor | City of Turku | Local | Finland |
| Mayor | City of Oulu | Local | Finland |
| Deputy Mayor | City of Jyväskylä | Local | Finland |
| Mayor | Ayuntamiento de Gijon | Local | Spain |
| President | Communauté Paris-Saclay | Local | France |
| Other | Gemeente Amersfoort | Local | Netherlands |
| Mayor | Ayuntamiento de Barcelona | Local | Spain |
| Mayor | City of Braga | Local | Portugal |
| Mayor | Ajuntament de Valencia | Local | Spain |
| Deputy Mayor | Municipality of Katerini | Local | Greece |
| Mayor | Municipality of Fundão | Local | Portugal |
| Mayor | City of Murcia | Local | Spain |
| Mayor | City of Joensuu | Local | Finland |
| Mayor | Eindhoven | Local | Netherlands |
| Mayor | Municipality of Luleå | Local | Sweden |
| Deputy Mayor | Commune de Grez-Doiceau | Local | Belgium |
| Mayor | Focsani Municipality | Local | Romania |
| Mayor's Proxy for Smart City | City of Poznan | Local | Poland |
| Mayor | Nicosia Municipality | Local | Cyprus |
| Mayor | Ringkøbing-Skjern Kommune | Local | Denmark |
| Debuty Mayor | Municipality of Debrecen | Local | Hungary |
| Mayor | Ayuntamiento de Logroño | Local | Spain |
| Mayor | Ayuntamiento de Algeciras | Local | Spain |
| Mayor | Comune di Firenze | Local | Italy |
| Mayor | Kungsbacka kommun | Local | Sweden |
| Mayor | Landeshauptstadt Magdeburg | Local | Germany |
| Mayor | City of Helsinki | Local | Finland |
| Mayor | Göteborg | Local | Sweden |
| Mayor | Ayuntamiento de Bilbao - Bilboko Udala | Local | Spain |
| Mayor | Ayuntamiento de Santander | Local | Spain |
| Mayor | Iasi Municipality | Local | Romania |
| Mayor | Ayuntamiento de Girona | Local | Spain |
| Mayor | Diputación provincial de Alicante | Local | Spain |
| Mayor | Ayuntamiento de Madrid | Local | Spain |
| President | Grenoble-Alpes Métropole | Local | France |
| Metropolitan adviser delegated to digital | Métropole Européenne de Lille | Local | France |
| Mayor | Aveiro | Local | Portugal |
| Mayor | City Council of Lisbon | Local | Portugal |
| Mayor | Ayuntamiento de Málaga | Local | Spain |
| Mayor | Thessaloniki | Local | Greece |
| Mayor | Tampereen kaupunki | Local | Finland |
| Mayor | Rotterdam | Local | Netherlands |
| Mayor | City of Rijeka | Local | Croatia |
| Mayor | Ayuntamiento de Zaragoza | Local | Spain |
| Mayor | Municipality of Idrija | Local | Slovenia |
| Mayor | Arad Municipality | Local | Romania |
| Mayor | Darmstadt | Local | Germany |
| Mayor | City of Antwerpen | Local | Belgium |
| Mayor | Municipality of Padova | Local | Italy |
| Mayor | Ayuntamiento de Alcoy | Local | Spain |
| Mayor | Viborg Kommune | Local | Denmark |
| Mayor | Kassel | Local | Germany |
| Mayor | Odder Kommune | Local | Denmark |
| Mayor | Municipiul Câmpulung Moldovenesc | Local | Romania |
| Mayor | City of Gelsenkirchen | Local | Germany |
| President | Métropole Nice Côte d'Azur | Local | France |
| Mayor | Eichenzell | Local | Germany |
| Mayor | Randers Kommune | Local | Denmark |
| Mayor | Ayuntamiento de Granada | Local | Spain |
| Mayor | Gemeente Enschede | Local | Netherlands |
| President | Bordeaux Metropole | Local | France |
| Deputy Mayor | City of Ljubljana | Local | Slovenia |
| Mayor | Stadt Dingelstädt | Local | Germany |
| Mayor | City of Espoo | Local | Finland |
| Mayor | City of Pori | Local | Finland |
| Mayor | City of Amsterdam | Local | Netherlands |
| Mayor | Municipality of Logatec | Local | Slovenia |
| Mayor | Municipality of Tripolis | Local | Greece |
| Minister | Ministry of Finance | National | Estonia |
| Minister | Ministry of Economic Affairs and Employment | National | Finland |
| Minister of Digital Strategy and Innovation | Hessen | Regional | Germany |
| Deputy Councillor | Barcelona Provincial Council | Regional | Spain |
