Volkspartij voor Vrijheid en Democratie
Party Leader: Mark Rutte
Venstre Danmarks Liberale Parti
Party Leader: Jakob Ellemann-Jensen
USR
Party Leader: Cătălin Drulă (Interim)
United Democrats
Party Leader: Praxoula Antoniadou
Union des Démocrates et Indépendants
Party Leader: Jean-Christophe Lagarde
Team K
Party Leader: Paul Köllensperger
Svenska Folkpartiet
Party Leader: Anna-Maja Henriksson
Stranka Alenke Bratušek
Party Leader: Alenka Bratušek
Radikale Venstre
Party Leader: Sofie Carsten Nielsen
Radicali Italiani
Party Leader: Igor Boni
Progresívne Slovensko
Party Leader: Michal Šimečka
Centar
Party Leader: Ivica Puljak
https://www.hrvatskaucentru.hr/
Open Vlaamse Liberalen en Democraten
Party Leader: Egbert Lachaert
Nowoczesna
Party Leader: Adam Szłapka
NEOS
Party Leader: Beate Meinl-Reisinger
Dvizhenie za prava i svobodi
Party Leader: Mustafa Karadaya
Mouvement Radical
Party Leader: Laurent Hénart
Momentum Mozgalom
Party Leader: Ferenc Gelencsér
Lista Marjana Šarca
Party Leader: Marjan Šarec
Liberalisok - Magyar Liberális Párt
Party Leader: Anett Bősz
Liberalerna
Party Leader: Johan Pehrson
Liberalų Sąjūdis
Party Leader: Viktorija Čmilyté-Nielsen
Latvijas Attistibai
Party Leader: Ivars Ijabs, Artūrs Toms Plešs & Elīna Stapulone
Laisvės Partija
Party Leader: Aušrinė Armonaitė
Kustība "Par!"
Party Leader: Daniels Pavļuts
Keskusta
Party Leader: Annika Saarikko
Istarski Demokratski Sabor
Party Leader: Dalibor Paus
Iniciativa Liberal
Party Leader: João Cotrim Figueiredo
Građansko-liberalni savez
Party Leader: Anka Mrak-Taritaš
Fianna Fáil
Party Leader: Micheál Martin
Freie Demokratische Partei
Party Leader: Christian Lindner
Eesti Reformierakond
Party Leader: Kaja Kallas
Eesti Keskerakond
Party Leader: Jüri Ratas
Democraten 66
Party Leader: Sigrid Kaag
Hrvatska socijalno-liberalna stranka
Party Leader: Dario Hrebak
Hrvatska narodna stranka – Liberalni demokrati
Party Leader: Stjepan Čuraj
Ciudadanos
Party Leader: Inés Arrimadas
Centerpartiet
Party Leader: Annie Lööf
ANO 2011
Party Leader: Andrej Babiš
+EUROPA
Party Leader: Benedetto Della Vedova