XY: 68 pokémon (66 without legendaries)
it's 67/65, because sylveon still exists :V
also, i guess it's time to update my type and evo line chart!
Normal - Bunnelby, Diggersby, Fletchling, Furfrou, Helioptile, Heliolisk, Litleo, Pyroar - 8
Fire - Fennekin, Braixen, Delphox, Fletchinder, Talonflame, Litleo, Pyroar - 7
Water - Froakie, Frogadier, Greninja, Clauncher, Clawitzer, Skrelp, Binacle, Barbaracle - 8
Electric - Helioptile, Heliolisk, Dedenne - 3
Grass - Chespin, Quilladin, Chesnaught, Skiddo, Gogoat, Phantump, Trevenant, Pumpkaboo, Gourgeist - 9
Ice - Amaura, Aurorus, Bergmite, Avalugg - 4
Fighting - Chesnaught, Pancham, Pangoro, Hawlucha - 4
Poison - Skrelp, Dragalge - 2
Ground - Diggersby, Zygarde - 2
Flying - Fletchling, Fletchinder, Talonflame, Vivillon, Hawlucha, Noibat, Noivern, Yveltal - 8
Psychic - Delphox, Espurr, Meowstic, Inkay, Malamar - 5
Bug - Scatterbug, Spewpa, Vivillon - 3
Rock - Tyrunt, Tyrantrum, Amaura, Aurorus, Binacle, Barbaracle, Carbink - 7
Ghost - Honedge, Doublade, Aegislash, Phantump, Trevenant, Pumpkaboo, Gourgeist - 7
Dragon - Tyrunt, Tyrantrum, Dragalge, Noibat, Noivern, Goomy, Sliggoo, Goodra, Zygarde - 9
Dark - Greninja, Pangoro, Inkay, Malamar, Yveltal - 5
Steel - Honedge, Doublade, Aegislash, Klefki - 4
Fairy - Flabébé, Floette, Florges, Swirlix, Slurpuff, Spritzee, Aromatisse, Dedenne, Sylveon, Carbink, Klefki, Xerneas - 12
3-stagers: Chespin/Quilladin/Chesnought, Fennekin/Braixen/Delphox, Froakie/Frogadier/Greninja, Fletchling/Fletchinder/Talonflame, Scatterbug/Spewpa/Vivillon, Flabébé/Floette/Florges, Honedge/Doublade/Aegislash, Goomy/Sliggoo/Goodra - 8 families
2-stagers: Bunnelby/Diggersby, Helioptile/Heliolisk, Litleo/Pyroar, Pancham/Pangoro, Skiddo/Gogoat, Swirlix/Slurpuff, Spritzee/Aromatisse, Clauncher/Clawitzer, Skrelp/Dragalge, Espurr/Meowstic, Inkay/Malamar, Tyrunt/Tyrantrum, Amaura/Aurorus, Binacle/Barbaracle, Phantump/Treverent, Pumpkaboo/Gourgeist, Bergmite/Avalugg, Noibat/Noivern, [Eevee/Sylveon] - 18.5 families
1-stagers: Furfrou, Dedenne, Hawlucha, Carbink, Klefki, Xerneas, Yveltal, Zygarde - 8 Pokemon