Inquiries conducted by the European Ombudsman in 2021 concerned the following institutions
|16||European External Action Service||4.7%|
|13||European Personnel Selection Office||3.8%|
|11||European Border and Coast Guard Agency||3.3%|
|8||European Medicines Agency||2.4%|
|7||Council of the European Union||2.1%|
|6||European Anti-Fraud Office||1.8%|
|34||Other EU Institutions or bodies||10.1%|
|22||Other EU Agencies||6.5%|
 Including ECB (0.9%), EIB (0.9%), EUIPO (0.9%) and ESMA (0.9%).
 Including EISMEA (1.2%) and ENISA (0.9%).