- EU member states: Belgium, Bulgaria, Czech Republic, Denmark, Estonia, Ireland, Greece, Spain, France, Croatia, Italy, Cyprus, Latvia, Lithuania, Luxembourg, Hungary, Malta, Netherlands, Austria, Poland, Portugal, Romania, Slovenia, Slovakia, Finland, Sweden and the United Kingdom
- EU candidate countries: Turkey, the Republic of North Macedonia and Serbia
- EFTA countries: Iceland, Liechtenstein and Norway
Note! The United Kingdom will continue to participate fully in the current (2014-2020) Erasmus+ programme. UK's participation in the new Erasmus+ programme, from 2021 onwards, is under negotiations.