World Cup 48-Team Population Snapshot: USA Takes the Lead, Curaçao Makes History, Top 5 Most Populous Nations Nearly Eliminated

On April 1 (Beijing time), Iraq’s 2–1 victory over Bolivia officially completed the lineup for the 2026 FIFA World Cup, confirming all 48 participating teams. The result marks not only the end of the qualification phase, but also the beginning of a new era as the tournament expands to 48 teams for the first time.

This expanded edition introduces an unprecedented level of diversity — and when viewed through the lens of population, the contrasts are striking.

As one of the host nations, United States tops the list with approximately 342 million people. Among the world’s five most populous countries, the U.S. stands as the only one to qualify for this World Cup.

Close behind is football powerhouse Brazil with around 216 million people, while fellow host Mexico ranks third at roughly 129 million. These nations not only represent massive population bases, but are also expected to play key roles in the tournament — particularly the U.S. and Mexico, who benefit from home advantage.

In stark contrast, Caribbean nation Curaçao emerges as the smallest participant, with a population of just around 150,000 — over 2,000 times smaller than the United States. This achievement makes Curaçao the smallest nation ever to qualify for a World Cup, and one of the most inspiring stories of the qualifiers.

From global giants to tiny island nations, the 48-team lineup highlights the extraordinary inclusiveness of football.

At the World Cup, success is not dictated by size or population. Whether it’s a traditional powerhouse or a debutant from a small nation, every team steps onto the same stage with equal opportunity — a contrast and fairness that define why the World Cup remains the world’s most captivating sporting spectacle.