Spain captured the 2026 FIFA World Cup on 19 July at the New York New Jersey Stadium, defeating Argentina 1-0, and earned a champion's prize reported by multiple sources at $50m – the largest in tournament history. The payout is part of a record $871m total prize pool that FIFA distributed across the expanded 48-team field, a 79 per cent increase over the $392m awarded in 2022, according to UOL.

Under US federal tax law, income earned by non-resident foreign athletes on American soil is generally subject to a 30 per cent withholding tax unless a treaty or exemption applies. Republican Congressman Tim Burchett of Tennessee called the levy 'a rip-off', telling Fox News that 'American professional athletes do it, so they knew that when they came over here', but argued the rate could discourage future events. Democratic Congressman Jonathan Jackson of Illinois described the tax burden as 'a classic example of what's wrong with our taxation system'. Social media commentator William Copus, known as The Feedski, noted that previous World Cup hosts typically negotiated broad exemptions covering players, but the United States exempted only FIFA and federations, leaving individual players and staff exposed. He added that players face additional state 'jock taxes' in every state where they played or practised; New Jersey, the final venue, charges up to 10.75 per cent and does not honour international tax treaties, while California, which hosted group matches, charges 13.3 per cent. Combined, he estimated total US tax bills could reach 40 per cent of tournament earnings before home-country taxes are applied.

According to Forbes Russia, the Spanish football federation (RFEF) will retain 55 per cent of the $50m prize as operating income, with players receiving 45 per cent – about $22.5m – based on a bonus agreement signed before the tournament. That agreement gave players $865,000 each before tax, with 17 of the 26 squad members being Spanish tax residents, meaning Spain's treasury expects $6.8m in tax revenue. Forbes Russia also reported that economists project a short-term boost to Spanish GDP of nearly €4bn from the title, citing University of Aberdeen economist Marco Mello's model linking World Cup victory to a 0.48 percentage point increase in annual growth. Media Indonesia noted that the Internal Revenue Service has not specified a fixed rate for World Cup prizes, leaving the final amount subject to applicable tax treaties and the distribution mechanism chosen by each national federation.

The discrepancy in reported champion prize figures – $50m cited by UOL, Okezone and Forbes Russia, versus $51m in Media Indonesia and $34m in one passage of Vanguard and The Punch – has not been resolved by FIFA. No legislative action to exempt players has been announced, and the US tax treatment of future World Cup earnings remains a point of contention among lawmakers and sports federations.