The new World Cup format explained: 48 teams, 12 groups and a Round of 32

The 2026 World Cup is the biggest redesign of the tournament since France '98 expanded the field from 24 to 32 teams. This time the jump is even larger: 48 nations compete across 104 matches, spread over 39 days and three countries. If you last watched a World Cup in 2022 and want to understand what has changed, here is everything you need to know.

The field of 48 teams is split into twelve groups of four, labelled A through L. Each team plays three group matches — exactly as before — with the familiar three points for a win, one for a draw, none for a loss. The opening three weeks of the tournament, running through late June, are entirely group-stage football.

The big structural change comes at the transition to knockouts. Under the old 32-team format, the top two from each of eight groups went straight into a Round of 16. Now, with twelve groups, the top two from each group qualify automatically — that is 24 teams — and they are joined by the eight best third-placed sides from across all twelve groups, creating a brand-new Round of 32. For the first time in history, finishing third in your group is not an automatic exit.

From the Round of 32 onwards it is pure knockout football: lose and go home. The bracket progresses through a Round of 16, quarter-finals, semi-finals, third-place match and the final at MetLife Stadium on July 19. Crucially, the champion must now win eight matches rather than seven — the longest road to a World Cup title ever devised.

The eight third-place qualifiers are determined by a ranking that compares all twelve third-placed teams. The criteria, in order: points, goal difference, goals scored, goals conceded, disciplinary points, and — as an absolute last resort — drawing of lots. This ranking is finalised only after the final round of group games, meaning fans may not know all 32 Round of 32 participants until the final whistle of the last group match.

Group-stage tie-breakers between teams on equal points follow the same priority order: points, then goal difference, then goals scored, then head-to-head record in matches between the tied teams, then fair-play points from those head-to-head matches, then overall fair-play points, and finally a drawing of lots. The rules are identical to 2022 in this regard — what changes is simply that a third-place finish no longer means an automatic plane home.

For supporters, the practical effect is more football, more late drama and more nations to follow. For the mathematically inclined, the final matchday of each group will be as tense as ever — except now there are twelve simultaneous finales instead of eight, with the added wrinkle that teams may be watching results in other groups to understand their third-place standing. It is the most complicated and most exciting group stage the World Cup has ever staged.