| Flemish Liberals and Democrats (Vlaamse Liberalen en Democraten)
| Reformist Movement (Mouvement Réformateur)
| Liberal Party (Parti Libéral)
| Coalition of Parties for Democracy (Concertación de Partidos por la Democracia)
| Green Party (Partido Verde)
| Danish Social Liberal Party (Radikale Venstre)
| Reform Party (Reformierakond)
| Center Party (Keskerakond)
| European Liberal Democrat and Reform Party
| Alliance of Liberals and Democrats for Europe
| Democratic Movement (Mouvement Démocrate)
| Free Democratic Party (Freie Demokratische Partei)
| Greens (Bündnis 90/Die Grünen)
| Alliance of Free Democrats (Szabad Demokraták Szövetsége)
| Progressive Party (Framsóknarflokkurinn)
| Democrats 66 (Democraten 66 - D66)
| VVD (Volkspartij voor Vrijheid en Democratie)
| Liberal Party (Venstre)
| Social Liberal Movement (Movimiento Liberal Social)
| Center Party (Centerpartiet)
| Liberal People's Party (Folkpartiet Liberalerna)
| Moderate Party (Moderaterna)
