How many tiles are in an American mahjong set?

A standard American Mah Jongg game uses 152 tiles. Complete retail sets often ship with extras. The Portelle American Mahjong Set (ASIN B0H3NTQTC1) includes 166 tiles: 36 circles, 36 bamboos, 36 characters, 12 dragons, 16 winds, 16 flowers, 10 jokers, and 4 blank spares.

American Mah Jongg is played with 152 tiles. Retail sets often include spare jokers and blanks so a lost tile does not retire the set.

Portelle 166-tile breakdown (ASIN B0H3NTQTC1)

Tile group	Count
Circles (dots)	36
Bamboos (bams)	36
Characters (craks)	36
Dragons	12
Winds	16
Flowers	16
Jokers	10
Blank spares	4
Total	166

Why listings say 152, 160, or 166

The core playable count is 152. Higher totals usually mean more spare jokers and blanks. Portelle ships 10 jokers and 4 blanks for longer set life.

Full kit details: Portelle American Mahjong Set.

Sources

• American mahjong — Wikipedia