UEFA has not issued an official threat to boycott the FIFA World Cup over expansion plans as of the latest available information. However, significant tensions exist between UEFA and FIFA regarding proposed structural changes to international football competitions. The European football confederation has expressed serious concerns about tournament expansion initiatives, including potential modifications to the World Cup format and the controversial FIFA Club World Cup redesign. These disputes reflect broader conflicts over fixture congestion, player welfare, and the distribution of revenue among continental confederations.
The relationship between UEFA and FIFA has deteriorated over several years due to competing interests in international football governance. UEFA represents 55 national associations primarily from Europe and has historically held considerable influence within FIFA's decision-making processes. The organization has consistently advocated for maintaining traditional tournament formats and protecting the integrity of domestic league schedules. FIFA's push toward expansion and modernization has directly conflicted with UEFA's preferences, creating a contentious dynamic that occasionally threatens organized boycotts or withdrawal from competitions.
The most prominent source of conflict involves FIFA's expansion of the Club World Cup from seven to 32 teams, scheduled to begin in 2025. This expansion directly impacts UEFA club competitions and player availability during a crowded fixture calendar. UEFA has expressed alarm about the tournament's timing and scope, arguing that it prioritizes FIFA's commercial interests over player welfare and the integrity of European competitions.