Mahjong Organizations & Federations
Discover the 16 leagues, federations, and associations that govern and promote mahjong around the world. From the NMJL in America to Japan's professional M-League, these organizations shape how the game is played competitively.
Major Organizations
National Mah Jongg League(NMJL)
The standard-setting authority for American mahjong, publishing the official annual card with standardized hands and rules.
American Mah Jongg Association(AMJA)
An organization providing rules, strategy resources, and community events for American mahjong players.
World Riichi Championship(WRC)
The premier international championship for competitive Riichi mahjong.
European Mahjong Association(EMA)
The umbrella organization for mahjong in Europe, organizing championships and maintaining ranking systems for MCR and Riichi.
Mahjong International League(MIL)
A global mahjong organization conducted by IMSA with formal associations from over 50 countries and regions.
Quick Reference
| Organization | Type | Region | Variant | Focus |
|---|---|---|---|---|
| NMJL | Association | USA | American | Annual card, rules |
| WRC | Championship | International | Riichi | World championship |
| EMA | Federation | Europe | MCR & Riichi | European championships |
| M-League | Pro League | Japan | Riichi | Team-based pro play |
| MIL | Federation | International | Multiple | 50+ country members |
| ARA | Association | USA | Riichi | WRC qualification |
All Organizations
United States
ARA
Riichi (Japanese)The board for riichi mahjong in the United States, managing club certification and WRC qualification.
ARML
Riichi (Japanese)An online league for competitive riichi mahjong players in the United States.
Destination Mah Jongg
AmericanMajor tournament organizer hosting the annual Mah Jongg World Championship in Las Vegas.
MJM
AmericanHistoric tournament organization (formerly Mah Jongg Madness), now primarily publishing the Siamese Mah Jongg card.
International
Europe
Asia
JPML
Riichi (Japanese)One of the oldest and largest professional mahjong organizations in Japan, partnering with WRC for international events.
M-League
Riichi (Japanese)Japan's premier professional team-based mahjong league, broadcast nationally and working to promote mahjong as a legitimate sport.
SMA
Multiple VariantsThe central hub for competitive mahjong play in Singapore.
JKMA
Riichi (Japanese)Japanese organization promoting healthy mahjong without gambling.