ICMPD has currently 21 Member States:
- Austria (1993)
- Switzerland (1993)
- Hungary (1995)
- Slovenia (1998)
- The Czech Republic (2001)
- Sweden (2002)
- Bulgaria (2003)
- Poland (2003)
- Croatia (2004)
- Portugal (2004)
- Slovakia (2006)
- Romania (2011)
- Bosnia and Herzegovina (2012)
- Serbia (2014)
- Republic of North Macedonia (2015)
- Malta (2018)
- Türkiye (2018)
- Germany (2020)
- Greece (2021)
- The Netherlands (2023)
- Ireland (2024)