要点 — JapanとUSA、どちらが上か？
Japan are favored over USA at the 2026 World Cup, with our AI model projecting a 43% win probability for Japan versus 38% for USA (and 19% for a draw). The edge is driven primarily by Japan's higher squad chemistry, though USA remain capable of an upset on tournament form.
結論
This is an extremely tight matchup. Both Japan and USA are evenly matched across key metrics, making this one of the most unpredictable potential encounters at the 2026 World Cup. Tactical execution and individual moments of brilliance will likely decide the outcome.
主な違い：Japan vs USA
- •FIFA Ranking: USA sit 2 places higher on the FIFA ranking (#11 vs #13).
- •Squad Chemistry: Japan have stronger squad cohesion (82/100 vs 78/100).
- •Average Squad Rating: The two squads are rated within 0.2 of each other on average (Japan 6.9, USA 6.9).
- •International Experience: Japan bring more combined caps to the squad (668 vs 661).
- •World Cup Titles: Neither side has won a World Cup; both are chasing a first title in 2026.
どちらが勝つ？
当社のAIモデルは調子、スカッドの質、チームの結束を加味して、最も可能性の高い結果を予想します。
両者の比較
この対戦を左右しうる主要因を並べて比較します。数値は高いほど良好です（FIFAランキングのみ、低いほど強い）。
これらの意味は？
- 連携 — スカッドがひとつのまとまりとしてどれだけうまく機能するか。バルセロナのティキ・タカと、寄せ集めのオールスター集団との違いを思い浮かべてください。
- 熟練度 — これらの選手が一緒にプレーしてきた期間の長さ。長年の共有経験を持つスカッドは、互いの動き出しを本能的に読み合います。
- 安定性 — 戦術システムと先発がどれだけ一貫しているか。頻繁な監督交代やフォーメーションの試行錯誤はこのスコアを下げます。
- モラル — スカッドの現在の自信と勢い。近年の勝利、サポーターの後押し、メディアの好意的な論調がすべて影響します。
Japan
USA
スカッド比較
主要選手の対決
ワールドカップの歴史
Japan vs USA — よくある質問
Who is favored to win between Japan and USA at the 2026 World Cup?
Japan are favored, with a 43% projected win probability versus 38% for USA and a 19% chance of a draw. The edge comes from a combination of FIFA ranking, squad chemistry, and current form.
What are Japan's strongest attributes versus USA?
Japan lead USA in squad chemistry, team familiarity, tactical stability. USA, in turn, have the edge in squad morale.
What is the World Cup history of Japan versus USA?
Japan have appeared in 7 FIFA World Cups and won 0 titles; USA have appeared in 11 World Cups and won 0 titles. Japan's best finish is Round of 16; USA's best finish is Semi-finals.
Have Japan and USA faced each other in major international competition?
Japan and USA have not been frequent opponents in our tracked head-to-head record set, which focuses on the most consequential international rivalries. The 2026 World Cup could provide one of their first high-stakes meetings on the global stage.
Which players will define the Japan versus USA match?
Takefusa Kubo (Japan, Real Sociedad, rated 7.5/10) and Tim Weah (USA, Juventus, rated 7.1/10) are the standout attack players in this fixture. Their individual duel — and the ability of each side's defense to contain the other's top attacker — is likely to determine the outcome.
Which squad has more international experience: Japan or USA?
Japan carry the more experienced squad, with 668 combined senior caps versus 661 for USA. Average squad rating is 6.9 for Japan and 6.9 for USA.