Frequency count of the 811 Pokémon, by Main Type
 

Main Type: Flying frequency_count: 4.00 (0.49%) Main Type: Flying Main Type: Fairy frequency_count: 18.0 (2.22%) Main Type: Fairy Main Type: Fighting frequency_count: 27.0 (3.33%) Main Type: Fighting Main Type: Poison frequency_count: 28.0 (3.45%) Main Type: Poison Main Type: Ice frequency_count: 25.0 (3.08%) Main Type: Ice Main Type: Steel frequency_count: 27.0 (3.33%) Main Type: Steel Main Type: Dark frequency_count: 31.0 (3.82%) Main Type: Dark Main Type: Ground frequency_count: 32.0 (3.95%) Main Type: Ground Main Type: Psychic frequency_count: 57.0 (7.03%) Main Type: Psychic Main Type: Bug frequency_count: 69.0 (8.51%) Main Type: Bug Main Type: Grass frequency_count: 70.0 (8.63%) Main Type: Grass Main Type: Rock frequency_count: 44.0 (5.43%) Main Type: Rock Main Type: Ghost frequency_count: 32.0 (3.95%) Main Type: Ghost Main Type: Dragon frequency_count: 32.0 (3.95%) Main Type: Dragon Main Type: Electric frequency_count: 50.0 (6.17%) Main Type: Electric Main Type: Fire frequency_count: 53.0 (6.54%) Main Type: Fire Main Type: Normal frequency_count: 98.0 (12.08%) Main Type: Normal Main Type: Water frequency_count: 114 (14.06%) Main Type: Water

Data source: https://github.com/PokeAPI/ (July 2016)