Quoted By:
Type Representation:
>Fairy
6 (Including Azumarill)
>Grass
5
>Ghost
5
>Water
5 (Including Azumarill)
>Normal
4
>Flying
4
>Psychic
4
>Fire
3
>Dragon
3
>Steel
3
>Ground
2
>Fighting
2
>Electric
2
>Dark
2
>Poison
2
>Ice
2
>Bug
1
>Rock
1
Gen representation:
>Gen 1
11
>Gen 2
2 (Including Azumarill)
>Gen 3
2
>Gen 4
3
>Gen 5
1
>Gen 6
6
>Gen 7
4
>Gen 8
5
As a side note, I only counted the final evolutions of Pokemon for these totals.