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Some Pokémon type combinations are abundant, such as Rock/Ground or Grass/Poison. Others are unique, such as Ice/Ghost or the unaccompanied Flying type.

The complex nature in which types can be arranged means there are a possible 289 different type combinations (including single types). However, due to the games' advantage/disadvantage multiplication system, a Pokémon which is Dark/Ghost is treated the same as one that is Ghost/Dark. As such, there are 153 distinct type combinations.

For the purposes of this list, type combinations are considered commutative; that is to say, Spiritomb and Sableye would be treated as having the same type combination as they have the same weaknesses and resistances.

For the purposes of this list, each Forme with a different type from another of the same Pokémon's Formes counts as a different Pokémon. For example, Darmanitan counts once toward pure Fire and also once toward Fire/Psychic, while Deoxys only counts once toward Psychic. In Generation I, Magnemite and Magneton are considered Electric/Steel even though they did not gain the Steel type until later. In Generation IV, Rotom's Formes are each counted separately even though they were not assigned separate types until later. For convenience, Arceus counts only toward the Normal type.

Each column counts the number of Pokémon of that type introduced in that generation; the Total column counts all Pokémon in the National Pokédex as of Generation V.

Types are listed (before sorting the list) in the order in which they appear in the Pokédex search function in Generation IV; thus, some type combinations (particularly those involving Flying) will be in an inverted order from what is usually seen. This is not a mistake.

There are 45 possible type combinations that have not yet been assigned to a Pokémon. There are 24 type combinations that have only been assigned to a single Pokémon, and a further 27 that have been assigned to multiple Pokémon, but only within the same evolutionary family. The other 57 type combinations have been assigned to multiple unrelated Pokémon.

Type combination	Gen I	Gen II	Gen III	Gen IV	Gen V	Total
	16	16	15	12	9	68
	0	0	0	0	1	1
	8	3	3	5	5	24
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	1	0	1
	0	0	0	0	2	2
	0	0	0	0	0	0
	0	1	0	0	1	2
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	7	2	2	1	7	19
	0	0	0	0	0	0
	0	0	0	2	0	2
	0	0	0	0	0	0
	0	0	0	0	1	1
	0	1	0	0	0	1
	0	0	0	0	0	0
	0	0	0	1	1	2
	0	0	2	2	2	6
	1	0	0	0	1	2
	0	0	1	0	1	2
	0	0	0	0	0	0
	0	0	2	1	0	3
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	2	2
	0	0	0	0	1	1
	2	1	0	0	0	3
	0	1	0	1	1	3
	1	0	0	0	2	3
	2	3	3	4	0	12
	0	0	0	2	0	2
	0	1	0	0	0	1
	2	1	0	0	0	3
	1	1	2	1	2	7
	0	3	1	1	0	5
	1	0	0	1	2	4
	0	3	0	0	3	6
	1	1	0	0	0	2
	1	0	3	0	0	4
	0	1	0	1	2	4
	10	0	3	0	2	15
	2	0	0	0	0	2
	0	0	0	0	0	0
	5	2	1	1	3	12
	3	0	0	0	0	3
	0	0	0	0	0	0
	0	0	0	0	0	0
	2	1	0	0	0	3
	9	0	1	2	2	14
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	3	0	3
	6	2	2	2	1	13
	6	2	0	1	0	9
	0	0	1	1	0	2
	0	0	0	0	2	2
	0	1	0	0	1	2
	0	0	2	0	0	2
	0	2	4	1	2	9
	0	0	0	1	0	1
	0	0	0	0	1	1
	0	0	2	0	0	2
	0	2	0	1	0	3
	0	0	2	3	0	5
	0	0	0	0	3	3
	0	1	2	3	3	9
	0	1	2	0	2	5
	0	0	0	0	0	0
	0	0	3	3	0	6
	0	1	0	0	0	1
	4	1	1	0	2	8
	0	0	2	0	0	2
	0	0	0	0	0	0
	0	0	2	0	0	2
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	1	0	0	0	1
	3	1	5	3	3	15
	0	0	1	0	0	1
	0	2	0	1	3	6
	0	0	0	0	2	2
	0	0	1	0	0	1
	2	0	0	1	3	6
	0	0	0	0	2	2
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	2	4	2	2	10
	0	0	0	0	0	0
	0	0	0	0	3	3
	0	0	0	0	2	2
	0	0	0	0	0	0
	0	0	0	1	0	1
	0	0	0	0	0	0
	0	0	0	1	0	1
	0	0	0	1	0	1
	0	0	1	1	0	2
	0	0	2	0	3	5
	0	0	0	1	0	1
	0	0	0	1	0	1
	0	0	0	0	2	2
	2	0	0	1	0	3
	0	0	4	2	0	6
	0	0	0	0	0	0
	0	0	0	1	0	1
	0	0	0	0	2	2
	10	6	3	2	6	27
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	1	0	1
	0	0	0	0	1	1
	0	0	0	0	0	0
	0	0	0	0	1	1
	0	2	0	0	0	2
	18	9	12	9	8	56
	0	0	3	0	0	3
	0	2	0	1	0	3
	3	1	0	0	0	4
	3	0	3	0	0	6
	0	1	0	1	0	2
	0	0	3	0	0	3
	1	6	6	8	10	31
	0	0	0	1	0	1
	2	1	0	0	0	3
	0	0	0	2	0	2
	0	0	0	0	0	0
	0	0	3	0	0	3
	6	6	4	5	5	26
	0	0	0	0	0	0
	0	0	0	0	0	0
	0	0	0	0	1	1
	0	0	0	0	0	0
	8	3	8	6	10	35
	1	1	0	0	0	2
	0	0	2	0	0	2
	0	0	0	0	0	0
	0	0	4	1	6	11
	0	0	0	0	1	1
	0	1	0	1	0	2
	2	0	2	0	4	8
	0	0	0	0	3	3
	0	1	3	1	4	9
Type combination	Gen I	Gen II	Gen III	Gen IV	Gen V	Total

Rank	Type combination	Gen I	Gen II	Gen III	Gen IV	Gen V	Total
1							67
2							55
3							34
4							31
5							27
6							26