Mahjong tournaments are growing in popularity across the United States. This market resolves to the US city that hosts the mahjong tournament with the highest attendance in November 2025.

Resolution criteria: Official attendance numbers from tournament organizers, including but not limited to Mah Jongg Fever, Modern Mahjong, National Mah Jongg League, and local mahjong clubs. Only tournaments held within November 1-30, 2025 will be considered. The city hosting the tournament with the highest number of registered participants will be the winner.

Sources: https://www.jeu-mahjong.fr/