Overview

• The internal first-round vote will run from December 5 to 8, with a possible runoff from December 12 to 15.
• Hopefuls must file by October 26 at midnight with at least 25 endorsements from members of the federal council.
• The motion passed the federal council with 72.04% support, recording 67 votes in favor and 34 against or blank.
• The designated figure will be the Greens’ only entry in the 2026 left–ecologist primary after amendments loosening that commitment were rejected.
• Marine Tondelier is widely expected to run as some partners criticize the unilateral timetable and some Greens question the December timing.