Joachim Klement World Cup Prediction: Economist forecasts a surprise 2026 winner as Argentina and Portugal face dramatic knockout outcomes

German economist Joachim Klement, widely known for correctly forecasting the winners of the last three FIFA World Cups, has released a striking new prediction model for the 2026 tournament, projecting a surprise champion and dramatic knockout-stage outcomes involving football superstars Lionel Messi and Cristiano Ronaldo.

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Klement’s World Cup 2026 prediction analysis comes just days before the 2026 FIFA World Cup begins, with global attention fixed on what is expected to be the final tournament appearances of Lionel Messi and Cristiano Ronaldo at the highest level.

The 2026 edition will see Argentina enter as defending champions following their 2022 triumph in Qatar, while Portugal will once again rely on Cristiano Ronaldo as they target a long-awaited global title.

According to Joachim Klement’s statistical model, both Argentina and Portugal are expected to top their respective groups and advance into the knockout rounds, setting up a highly anticipated potential quarter-final clash between the two football giants.

The economist’s forecast suggests Portugal would face Ivory Coast in the round of 32, while Argentina is projected to meet Uruguay, with both sides expected to progress comfortably.

In the round of 16, the model predicts Argentina will overcome Turkey, with Lionel Messi playing a decisive role, while Portugal’s progression against Switzerland is described as dependent on Cristiano Ronaldo not starting the match.

Joachim Klement’s data-driven World Cup forecast takes a dramatic turn in the quarter-finals, where Portugal is projected to defeat Argentina in extra time, ending the South American side’s title defence in a closely contested encounter.

Further projections suggest Portugal will go on to eliminate England in the semi-finals before ultimately falling short in the final against the Netherlands, who are tipped as the tournament’s surprise champions.

Klement’s 20-page report draws on a combination of statistical performance data, economic indicators and demographic trends, offering a broader analytical approach than traditional football forecasting models.

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The predictions have already sparked discussion among fans, given the inclusion of high-profile names and the possibility of unexpected twists in one of football’s most prestigious tournaments.