2026 World Cup's Expanded Format Tilts Advantage Toward Lower-Seeded Teams

The 2026 FIFA World Cup shifts to 48 teams with three group-stage slots per group — a structural change that mathematically improves advancement odds for outsiders like Iran and New Zealand. Historically, the 32-team format weighted knockout qualification toward stronger seedings. This expansion effectively dilutes that advantage, giving teams ranked lower in their groups a more plausible path forward without relying on upsets.