American mahjong sets are sold with 152, 160 or 166 tiles, and the listings almost never explain the difference. The numbers are not interchangeable — one of them is the count that decides whether you can actually play.
The short answer
152 tiles is the number that matters. A 152-tile set contains everything an American Mah Jongg hand can legally call for, with nothing left over. If you remember one thing from this page, remember that: a playable set needs at least 152 tiles, including 8 jokers.
Everything above 152 is spare parts. That is not a marketing line — it is what the extra tiles physically are, and we will show you the arithmetic.
Where 136 comes from
Every mahjong set in the world starts from the same 136 tiles.
Three suits, each running 1 through 9, with four copies of every tile:
- Dots — 9 ranks × 4 copies = 36
- Bams (bamboo) — 9 ranks × 4 = 36
- Craks (characters) — 9 ranks × 4 = 36
That is 108. Then the honour tiles:
- Winds — East, South, West, North, four of each = 16
- Dragons — red, green and white, four of each = 12
108 + 16 + 12 = 136.
The 16 tiles that make it American
136 is the Chinese game. American mahjong adds two categories:
- 8 flowers
- 8 jokers
136 + 8 + 8 = 152.
The jokers are the half that matters. American Mah Jongg is built around them — large categories of hands are only possible because a joker can stand in for another tile. A box with 152 tiles but fewer than 8 jokers is not a 152-tile set in any useful sense, and this is the single most common way a cheap set disappoints.
Check this before you buy: 8 jokers and 8 flowers. Not “over 150 tiles” — those specific two numbers.
So why do listings say 160 or 166?
Because retailers pad the box. The playable set is the same; the extras differ.
160 is 152 plus eight extras: two spare jokers and six blank tiles.
166 is 152 plus fourteen: eight extra flowers, two spare jokers and four blanks.
The extra flowers are the tell. American mahjong uses eight flowers. A 166-tile set ships sixteen. The second eight will spend their entire life in the box, because there is no legal hand that calls for them. The fourteen extra tiles are not fourteen more ways to win — they are inventory.
Every configuration, compared
| Total | What it is made of | Where you see it |
|---|---|---|
| 136 | 3 suits × 36, plus 16 winds and 12 dragons | Chinese and Japanese sets — the base everything else is built on |
| 144 | 136 + 8 flowers or seasons | Standard Chinese retail sets |
| 152 | 136 + 8 flowers + 8 jokers | The American playing standard |
| 160 | 152 + 2 spare jokers + 6 blanks | Some US retail sets |
| 166 | 136 + 16 flowers + 10 jokers + 4 blanks | Common among large online retailers |
Read that table again with one question in mind: how many of these tiles can be played? The answer is 152 in every row from 152 down. The rows above it differ only in how many spares are included.
What a “spare” tile actually is
A blank tile is not a wild tile. It is a placeholder — an unprinted tile included so that if one of your tiles is lost or damaged, you have a replacement that matches the set. It cannot be played as anything.
Spare jokers work exactly the same way. You play with eight. The ninth and tenth sit in the box until one of the first eight goes missing.
Which means the honest comparison is not “166 beats 160”. It is: both contain the same playable 152, and they differ in how many spares are thrown in. A set advertising 166 is not offering you fourteen more tiles of gameplay. It is offering you inventory.
How to check a set in thirty seconds
- Count the jokers. You need 8 you can play with.
- Count the flowers. 8 is what the game uses. 16 means half are spares.
- Ignore the headline number. 160 and 166 both contain a playable 152.
- Confirm it includes racks and pushers if you plan to play at a table rather than on a mat.
Common questions
How many jokers are in a mahjong set?
Eight in a standard American set. Retail sets advertising 160 or 166 usually ship ten — eight to play with and two spares.
How many tiles are in a Chinese mahjong set?
Usually 144: the same 136 base plus 8 flower or season tiles. Chinese sets generally contain no jokers at all, which is the practical reason you cannot use one to play American Mah Jongg.
Can I play American Mah Jongg with a 144-tile set?
No. You would be missing all 8 jokers, and American hands depend on them heavily.
Does a bigger number mean a better set?
No. Tile material, weight, engraving depth and how flat the racks sit after a year of play say far more about quality than the tile count does. Those are the things worth reading reviews about.
What EASTA is building
Our first set is 160 tiles: the full playable 152, plus two spare jokers and six blanks. We are not going to claim the spares make it bigger than it is, and we are not going to pad the box with eight flowers nobody can use.
It is not on sale yet. Here is where that stands, and you can get in touch if you have a question this page did not answer.
American Mah Jongg is played to the hand card published annually by the National Mah Jongg League. EASTA is not affiliated with, endorsed by, or licensed by the League. Tile counts above describe set configurations generally and are verified against current retail listings.