There are several national data protection authorities across the world, tasked with protecting information privacy. In the European Union and the EFTA member countries, their status was formalized by the Data Protection Directive [1] and they were involved in the Madrid Resolution.
This project is a part of the work of the International Law Commission of the United Nations.
 Austria: Austrian Data Protection Authority (German : Datenschutzbehörde)
 Austria: Austrian Data Protection Authority (German : Datenschutzbehörde) Belgium: Belgian Data Protection Authority (Dutch : Gegevensbeschermingsautoriteit (GBA), French : Autorité de protection des données (APD), German : Datenschutzbehörde), also known as APD-GBA
 Belgium: Belgian Data Protection Authority (Dutch : Gegevensbeschermingsautoriteit (GBA), French : Autorité de protection des données (APD), German : Datenschutzbehörde), also known as APD-GBA Bulgaria: Bulgarian Data Protection Authority (Bulgarian : Комисия за защита на личните данни)
 Bulgaria: Bulgarian Data Protection Authority (Bulgarian : Комисия за защита на личните данни) Cyprus: Office of the Commissioner for Personal Data Protection (Greek : Γραφείο Επιτρόπου Προστασίας Δεδομένων Προσωπικού Χαρακτήρα)
 Cyprus: Office of the Commissioner for Personal Data Protection (Greek : Γραφείο Επιτρόπου Προστασίας Δεδομένων Προσωπικού Χαρακτήρα) Czech Republic: Office for Personal Data Protection (Czech : Úřad pro ochranu osobních údajů (ÚOOÚ))
 Czech Republic: Office for Personal Data Protection (Czech : Úřad pro ochranu osobních údajů (ÚOOÚ)) Denmark: Danish Data Protection Agency (Danish : Datatilsynet)
 Denmark: Danish Data Protection Agency (Danish : Datatilsynet) Estonia: Estonian Data Protection Inspectorate (Estonian : Andmekaitse Inspektsioon)
 Estonia: Estonian Data Protection Inspectorate (Estonian : Andmekaitse Inspektsioon) Finland: Office of the Data Protection Ombudsman (Finnish : Tietosuojavaltuutetun toimisto)
 Finland: Office of the Data Protection Ombudsman (Finnish : Tietosuojavaltuutetun toimisto) France:  Commission nationale de l'informatique et des libertés  (lit. 'National Commission on Informatics and Liberty'), also known as CNIL
 France:  Commission nationale de l'informatique et des libertés  (lit. 'National Commission on Informatics and Liberty'), also known as CNIL Germany: Federal Commissioner for Data Protection and Freedom of Information (German : Bundesbeauftragter für den Datenschutz und die Informationsfreiheit (BfDI))
 Germany: Federal Commissioner for Data Protection and Freedom of Information (German : Bundesbeauftragter für den Datenschutz und die Informationsfreiheit (BfDI))  Greece: Hellenic Data Protection Authority (Greek : Αρχή Προστασίας Δεδομένων Προσωπικού Χαρακτήρα), also known as HDPA
 Greece: Hellenic Data Protection Authority (Greek : Αρχή Προστασίας Δεδομένων Προσωπικού Χαρακτήρα), also known as HDPA Hungary: Hungarian National Authority for Data Protection and Freedom of Information (Hungarian : Nemzeti Adatvédelmi és Információszabadság Hatóság (NAIH))
 Hungary: Hungarian National Authority for Data Protection and Freedom of Information (Hungarian : Nemzeti Adatvédelmi és Információszabadság Hatóság (NAIH)) Iceland: Data Protection Authority (Icelandic : Persónuvernd)
 Iceland: Data Protection Authority (Icelandic : Persónuvernd) Ireland: Data Protection Commissioner (Irish : An Coimisinéir Cosanta Sonraí), also known as DPC
 Ireland: Data Protection Commissioner (Irish : An Coimisinéir Cosanta Sonraí), also known as DPC Italy: Italian Data Protection Authority (Italian : Garante per la Protezione dei Dati Personali), also known as Italian DPA
 Italy: Italian Data Protection Authority (Italian : Garante per la Protezione dei Dati Personali), also known as Italian DPA Latvia: Data State Inspectorate (Latvian : Datu valsts inspekcija, Russian : Государственная инспекция данных)
 Latvia: Data State Inspectorate (Latvian : Datu valsts inspekcija, Russian : Государственная инспекция данных) Liechtenstein: Datenschutzstelle
 Liechtenstein: Datenschutzstelle  Lithuania: State Data Protection Inspectorate (Lithuanian : Valstybinė duomenų apsaugos inspekcija (VDAI))
 Lithuania: State Data Protection Inspectorate (Lithuanian : Valstybinė duomenų apsaugos inspekcija (VDAI)) Luxembourg: National Commission for Data Protection (German : Nationale Kommission für den Datenschutz, French : Commission nationale pour la protection des données), also known as CNPD
 Luxembourg: National Commission for Data Protection (German : Nationale Kommission für den Datenschutz, French : Commission nationale pour la protection des données), also known as CNPD Malta: Office of the Information and Data Protection Commissioner, also known as IDPC
 Malta: Office of the Information and Data Protection Commissioner, also known as IDPC Netherlands: Dutch Data Protection Authority (Dutch : Autoriteit Persoonsgegevens (AP))
 Netherlands: Dutch Data Protection Authority (Dutch : Autoriteit Persoonsgegevens (AP)) Norway: Norwegian Data Protection Authority (Norwegian : Datatilsynet)
 Norway: Norwegian Data Protection Authority (Norwegian : Datatilsynet) Poland: Polish Data Protection Commissioner (Polish : Urząd Ochrony Danych Osobowych (UODO))
 Poland: Polish Data Protection Commissioner (Polish : Urząd Ochrony Danych Osobowych (UODO)) Portugal: National Commission Data Protection (Portuguese : Comissão Nacional de Proteção de Dados (CNPD)), also known as NCDP
 Portugal: National Commission Data Protection (Portuguese : Comissão Nacional de Proteção de Dados (CNPD)), also known as NCDP Romania: National Authority for the Supervision of Personal Data Processing (Romanian : Autoritatea Naţională de Supraveghere a Prelucrării Datelor cu Caracter Personal), also known as ANSPDCP
 Romania: National Authority for the Supervision of Personal Data Processing (Romanian : Autoritatea Naţională de Supraveghere a Prelucrării Datelor cu Caracter Personal), also known as ANSPDCP Slovakia: Office for Personal Data Protection of the Slovak Republic (Slovak : Úrad na ochranu osobných údajov Slovenskej republiky)
 Slovakia: Office for Personal Data Protection of the Slovak Republic (Slovak : Úrad na ochranu osobných údajov Slovenskej republiky) Slovenia: Information Commissioner of the Republic of Slovenia (Slovene : Republika Slovenija Informacijski pooblaščenec)
 Slovenia: Information Commissioner of the Republic of Slovenia (Slovene : Republika Slovenija Informacijski pooblaščenec) Spain: Spanish Data Protection Agency (Spanish : Agencia Española de Protección de Datos (AEPD))
 Spain: Spanish Data Protection Agency (Spanish : Agencia Española de Protección de Datos (AEPD))  Andalusia: Transparency and Data Protection Council of Andalusia (Spanish : Consejo de Transparencia y Protección de Datos de Andalucía)
 Andalusia: Transparency and Data Protection Council of Andalusia (Spanish : Consejo de Transparencia y Protección de Datos de Andalucía) Basque Country: Basque Data Protection Authority (Basque : Datuak Babesteko Euskal Bulegoa, Spanish : Agencia Vasca de Protección de Datos)
 Basque Country: Basque Data Protection Authority (Basque : Datuak Babesteko Euskal Bulegoa, Spanish : Agencia Vasca de Protección de Datos) Catalonia: Catalan Data Protection Authority (Catalan : Autoritat Catalana de Protecció de Dades (APDCAT))
 Catalonia: Catalan Data Protection Authority (Catalan : Autoritat Catalana de Protecció de Dades (APDCAT)) Sweden: Swedish Data Protection Authority (Swedish : Datainspektionen), also known as Swedish DPA
 Sweden: Swedish Data Protection Authority (Swedish : Datainspektionen), also known as Swedish DPA Albania: Information and Data Protection Commissioner (IDP) (Komisionerit për të Drejtën e Informimit dhe Mbrojtjen e të Dhënave Personale (KDIMDP))
 Albania: Information and Data Protection Commissioner (IDP) (Komisionerit për të Drejtën e Informimit dhe Mbrojtjen e të Dhënave Personale (KDIMDP)) Andorra: Data Protection Agency of Andorra (Catalan : Agència Andorrana de Protecció de Dades (APDA))
 Andorra: Data Protection Agency of Andorra (Catalan : Agència Andorrana de Protecció de Dades (APDA)) Croatia: Croatian Personal Data Protection Agency (Croatian : Agencija za zaštitu osobnih podataka (AZOP))
 Croatia: Croatian Personal Data Protection Agency (Croatian : Agencija za zaštitu osobnih podataka (AZOP)) Georgia: Personal Data Protection Service (Georgian :პერსონალურ მონაცემთა დაცვის სამსახური)
 Georgia: Personal Data Protection Service (Georgian :პერსონალურ მონაცემთა დაცვის სამსახური) Guernsey: Data Protection Office
 Guernsey: Data Protection Office  North Macedonia: Directorate for Personal Data Protection (Macedonian : Дирекција за заштита на лични податоци)
 North Macedonia: Directorate for Personal Data Protection (Macedonian : Дирекција за заштита на лични податоци) Isle of Man: Office of the Data Protection Supervisor
 Isle of Man: Office of the Data Protection Supervisor  Monaco:  Commission de contrôle des informations nominatives  (lit. 'Personal Data Control Board'), also known as CCIN
 Monaco:  Commission de contrôle des informations nominatives  (lit. 'Personal Data Control Board'), also known as CCIN Russia: Federal Service for Supervision in the Sphere of Telecom, Information Technologies and Mass Communications (Roskomnadzor)
 Russia: Federal Service for Supervision in the Sphere of Telecom, Information Technologies and Mass Communications (Roskomnadzor) Serbia: Commissioner for Information of Public Importance and Personal Data Protection (Serbian : Повереник за информације од јавног значаја и заштиту података о личности)
 Serbia: Commissioner for Information of Public Importance and Personal Data Protection (Serbian : Повереник за информације од јавног значаја и заштиту података о личности) Switzerland: Federal Data Protection and Information Commissioner (German : Eidgenössischer Datenschutz- und Öffentlichkeitsbeauftragter (EDÖB), French : Préposé fédéral à la protection des données et à la transparence (PFPDT), Italian : Incaricato federale della protezione dei dati e della trasparenza (IFPDT)), also known as FDPIC
  Switzerland: Federal Data Protection and Information Commissioner (German : Eidgenössischer Datenschutz- und Öffentlichkeitsbeauftragter (EDÖB), French : Préposé fédéral à la protection des données et à la transparence (PFPDT), Italian : Incaricato federale della protezione dei dati e della trasparenza (IFPDT)), also known as FDPIC Turkey: Turkish Data Protection Authority (Turkish : Kişisel Verileri Koruma Kurumu (KVKK))
 Turkey: Turkish Data Protection Authority (Turkish : Kişisel Verileri Koruma Kurumu (KVKK)) Ukraine: Ukrainian Parliament Commissioner for Human Rights (Ukrainian : Уповноважений Верховної Ради України з прав людини)
 Ukraine: Ukrainian Parliament Commissioner for Human Rights (Ukrainian : Уповноважений Верховної Ради України з прав людини) United Kingdom: Information Commissioner's Office, also known as ICO
 United Kingdom: Information Commissioner's Office, also known as ICO Angola: Data Protection Agency (Portuguese : Agência de Proteção de Dados), known as APD
 Angola: Data Protection Agency (Portuguese : Agência de Proteção de Dados), known as APD Egypt: No national authority is responsible for data protection.
 Egypt: No national authority is responsible for data protection. Ghana: Data Protection Commission
 Ghana: Data Protection Commission  Morocco:  Commission nationale de contrôle de la protection des données à caractère personnel  (lit. 'National Commission for the Control of the Protection of Personal Data'), also known as CNDP
 Morocco:  Commission nationale de contrôle de la protection des données à caractère personnel  (lit. 'National Commission for the Control of the Protection of Personal Data'), also known as CNDP Mozambique: No national authority is responsible for data protection.
 Mozambique: No national authority is responsible for data protection. Nigeria: National Information Technology Development Agency (NITDA) and Nigerian Communications Commission (NCC) provide services regarding data protection.
 Nigeria: National Information Technology Development Agency (NITDA) and Nigerian Communications Commission (NCC) provide services regarding data protection. Senegal: Commission de protection des Données Personnelles (lit. 'Commission for the protection of Personal Data'), also known as CDP
 Senegal: Commission de protection des Données Personnelles (lit. 'Commission for the protection of Personal Data'), also known as CDP South Africa: Information Regulator  [4]
 South Africa: Information Regulator  [4]  Tunisia: National Authority for Protection of Personal Data (French : Instance nationale de protection des données personnelles), known as INPDP
 Tunisia: National Authority for Protection of Personal Data (French : Instance nationale de protection des données personnelles), known as INPDP Zimbabwe: There is currently no data protection authority but the Zimbabwe Media Commission comments on the degree of protection of privacy from public bodies programs.
 Zimbabwe: There is currently no data protection authority but the Zimbabwe Media Commission comments on the degree of protection of privacy from public bodies programs. China: Cyberspace Administration of China (CAC)
 China: Cyberspace Administration of China (CAC) Hong Kong: Office of the Privacy Commissioner for Personal Data (PCPD)
 Hong Kong: Office of the Privacy Commissioner for Personal Data (PCPD) India: Data Protection Board of India
 India: Data Protection Board of India  Indonesia: Personal Data Protection Authority
 Indonesia: Personal Data Protection Authority  Israel: The Privacy Protection Authority (Hebrew : הרשות להגנת הפרטיות)
 Israel: The Privacy Protection Authority (Hebrew : הרשות להגנת הפרטיות) Japan: Personal Information Protection Commission (Japan) (PPC)
 Japan: Personal Information Protection Commission (Japan) (PPC) Kazakhstan: Data protection is regulated by the state.
 Kazakhstan: Data protection is regulated by the state. Macau: Office for Personal Data Protection, known as OPDP
 Macau: Office for Personal Data Protection, known as OPDP Malaysia: Personal Data Protection Commissioner Office
 Malaysia: Personal Data Protection Commissioner Office Pakistan: National Commission for Personal Data Protection
 Pakistan: National Commission for Personal Data Protection  Philippines: National Privacy Commission
 Philippines: National Privacy Commission  Qatar: Qatar Ministry of Transport and Communications
 Qatar: Qatar Ministry of Transport and Communications  Saudi Arabia: No national authority is responsible for data protection.
 Saudi Arabia: No national authority is responsible for data protection. Singapore: Personal Data Protection Commission
 Singapore: Personal Data Protection Commission  South Korea: Personal Information Protection Commission (South Korea) (PIPC)
 South Korea: Personal Information Protection Commission (South Korea) (PIPC) Taiwan: No national authority is responsible for data protection.
 Taiwan: No national authority is responsible for data protection. Thailand: Office of the Personal Data Protection Committee
 Thailand: Office of the Personal Data Protection Committee  Turkmenistan: No national authority is responsible for data protection.
 Turkmenistan: No national authority is responsible for data protection. Uzbekistan: Regulators for data protection are sector-specific.
 Uzbekistan: Regulators for data protection are sector-specific. Canada: Office of the Privacy Commissioner of Canada (French : Commissariat à la protection de la vie privée du Canada)
 Canada: Office of the Privacy Commissioner of Canada (French : Commissariat à la protection de la vie privée du Canada) Mexico: National Institute of Transparency for Access to Information and Personal Data Protection (Spanish : Instituto Nacional de Transparencia, Acceso a la Información y Protección de Datos Personales (INAI))
 Mexico: National Institute of Transparency for Access to Information and Personal Data Protection (Spanish : Instituto Nacional de Transparencia, Acceso a la Información y Protección de Datos Personales (INAI)) USA: There is no single national authority.
 USA: There is no single national authority. Costa Rica: Agency for the Protection of Individual's Data (Spanish : Agencia de Protección de datos de los Habitantes), known as PRODHAB
 Costa Rica: Agency for the Protection of Individual's Data (Spanish : Agencia de Protección de datos de los Habitantes), known as PRODHAB Dominican Republic: No national authority is responsible for data protection.
 Dominican Republic: No national authority is responsible for data protection. Honduras: National Civil Registry (Spanish : Registro Nacional de las Personas) [5]  and Institute for the Access to Public Information (Spanish : Instituto Acceso Informacion Publica) [6]
 Honduras: National Civil Registry (Spanish : Registro Nacional de las Personas) [5]  and Institute for the Access to Public Information (Spanish : Instituto Acceso Informacion Publica) [6]  Panama: No national authority is responsible for data protection.
 Panama: No national authority is responsible for data protection. Argentina: Dirección Nacional de Protección de Datos Personales (lit. 'National Directorate for Personal Data Protection'), known as PDP
 Argentina: Dirección Nacional de Protección de Datos Personales (lit. 'National Directorate for Personal Data Protection'), known as PDP Bolivia: No national authority is responsible for data protection.
 Bolivia: No national authority is responsible for data protection. Brazil: National Data Protection Authority (ANPD)  [7]
 Brazil: National Data Protection Authority (ANPD)  [7]  Chile: There is no dedicated authority.
 Chile: There is no dedicated authority. Colombia: Superintendency of Industry and Commerce (SIC)
 Colombia: Superintendency of Industry and Commerce (SIC) Peru: Ministerio de Justicia y Derechos Humanos (Perú) (lit. 'Ministry of Justice and Human Rights')
 Peru: Ministerio de Justicia y Derechos Humanos (Perú) (lit. 'Ministry of Justice and Human Rights') Uruguay: Personal Data Control and Regulatory Unit.
 Uruguay: Personal Data Control and Regulatory Unit. Venezuela: No national authority is responsible for data protection.
 Venezuela: No national authority is responsible for data protection.{{cite web}}:  CS1 maint: archived copy as title (link)