Pokemon evolve at certain levels?

Evolving from Evolving to Level Condition
Bulbasaur → Ivysaur 16
Ivysaur → Venusaur 32
Charmander → Charmeleon 16
Charmeleon → Charizard 36
Squirtle → Wartortle 16
Wartortle → Blastoise 36
Caterpie → Metapod 7
Metapod → Butterfree 10
Weedle → Kakuna 7
Kakuna → Beedrill 10
Pidgey → Pidgeotto 18
Pidgeotto → Pidgeot 36
Rattata → Raticate 20
Spearow → Fearow 20
Ekans → Arbok 22
Sandshrew → Sandslash 22
Nidoran♀ → Nidorina 16
Nidoran♂ → Nidorino 16
Zubat → Golbat 22
Oddish → Gloom 21
Paras → Parasect 24
Venonat → Venomoth 31
Diglett → Dugtrio 26
Meowth → Persian 28
Psyduck → Golduck 33
Mankey → Primeape 28
Poliwag → Poliwhirl 25
Abra → Kadabra 16
Machop → Machoke 28
Bellsprout → Weepinbell 21
Tentacool → Tentacruel 30
Geodude → Graveler 25
Ponyta → Rapidash 40
Slowpoke → Slowbro 37
Magnemite → Magneton 30
Doduo → Dodrio 31
Seel → Dewgong 34
Grimer → Muk 38
Gastly → Haunter 25
Drowzee → Hypno 26
Krabby → Kingler 28
Voltorb → Electrode 30
Cubone → Marowak 28
Tyrogue → Hitmonlee 20 Attack > Defense
Tyrogue → Hitmonchan 20 Attack < Defense
Tyrogue → Hitmontop 20 Attack = Defense
Koffing → Weezing 35
Rhyhorn → Rhydon 42
Horsea → Seadra 32
Goldeen → Seaking 33
Smoochum → Jynx 30
Elekid → Electabuzz 30
Magby → Magmar 30
Magikarp → Gyarados 20
Omanyte → Omastar 40
Kabuto → Kabutops 40
Dratini → Dragonair 30
Dragonair → Dragonite 55
Chikorita → Bayleef 16
Bayleef → Meganium 32
Cyndaquil → Quilava 14
Quilava → Typhlosion 36
Totodile → Croconaw 18
Croconaw → Feraligatr 30
Sentret → Furret 15
Hoothoot → Noctowl 20
Ledyba → Ledian 18
Spinarak → Ariados 22
Chinchou → Lanturn 27
Natu → Xatu 25
Mareep → Flaaffy 15
Flaaffy → Ampharos 30
Marill → Azumarill 18
Hoppip → Skiploom 18
Skiploom → Jumpluff 27
Wooper → Quagsire 20
Wynaut → Wobbuffet 15
Pineco → Forretress 31
Snubbull → Granbull 23
Teddiursa → Ursaring 30
Slugma → Magcargo 38
Swinub → Piloswine 33
Remoraid → Octillery 25
Houndour → Houndoom 24
Phanpy → Donphan 25
Larvitar → Pupitar 30
Pupitar → Tyranitar 55
Treecko → Grovyle 16
Grovyle → Sceptile 36
Torchic → Combusken 16
Combusken → Blaziken 36
Mudkip → Marshtomp 16
Marshtomp → Swampert 36
Poochyena → Mightyena 18
Zigzagoon → Linoone 20
Wurmple → Silcoon 7 Random, based on personality
Silcoon → Beautifly 10
Wurmple → Cascoon 7 Random, based on personality
Cascoon → Dustox 10
Lotad → Lombre 14
Seedot → Nuzleaf 14
Taillow → Swellow 22
Wingull → Pelipper 25
Ralts → Kirlia 20
Kirlia → Gardevoir 30
Surskit → Masquerain 22
Shroomish → Breloom 23
Slakoth → Vigoroth 18
Vigoroth → Slaking 36
Nincada → Ninjask 20
Nincada → Shedinja 20 with empty spot in party
Whismur → Loudred 20
Loudred → Exploud 40
Makuhita → Hariyama 24
Aron → Lairon 32
Lairon → Aggron 42
Meditite → Medicham 37
Electrike → Manectric 26
Gulpin → Swalot 26
Carvanha → Sharpedo 30
Wailmer → Wailord 40
Numel → Camerupt 33
Spoink → Grumpig 32
Trapinch → Vibrava 35
Vibrava → Flygon 45
Cacnea → Cacturne 32
Swablu → Altaria 35
Barboach → Whiscash 30
Corphish → Crawdaunt 30
Baltoy → Claydol 36
Lileep → Cradily 40
Anorith → Armaldo 40
Shuppet → Banette 37
Duskull → Dusclops 37
Snorunt → Glalie 42
Spheal → Sealeo 32
Sealeo → Walrein 44
Bagon → Shelgon 30
Shelgon → Salamence 50
Beldum → Metang 20
Metang → Metagross 45
Turtwig → Grotle 18
Grotle → Torterra 32
Chimchar → Monferno 14
Monferno → Infernape 36
Piplup → Prinplup 16
Prinplup → Empoleon 36
Starly → Staravia 14
Staravia → Staraptor 34
Bidoof → Bibarel 15
Kricketot → Kricketune 10
Shinx → Luxio 15
Luxio → Luxray 30
Cranidos → Rampardos 30
Shieldon → Bastiodon 30
Burmy → Mothim 20 Male
Burmy → Wormadam
Plant Cloak form 20 Female, outside
Burmy → Wormadam
Sandy Cloak form 20 Female, in caves
Burmy → Wormadam
Trash Cloak form 20 Female, in buildings
Combee → Vespiquen 21 Female
Buizel → Floatzel 26
Cherubi → Cherrim 25
Shellos → Gastrodon 30
Drifloon → Drifblim 28
Glameow → Purugly 38
Stunky → Skuntank 34
Bronzor → Bronzong 33
Gible → Gabite 24
Gabite → Garchomp 48
Hippopotas → Hippowdon 34
Skorupi → Drapion 40
Croagunk → Toxicroak 37
Finneon → Lumineon 31
Snover → Abomasnow 40
Snivy → Servine 17
Servine → Serperior 36
Tepig → Pignite 17
Pignite → Emboar 36
Oshawott → Dewott 17
Dewott → Samurott 36
Patrat → Watchog 20
Lillipup → Herdier 16
Herdier → Stoutland 32
Purrloin → Liepard 20
Pidove → Tranquill 21
Tranquill → Unfezant 32
Blitzle → Zebstrika 27
Roggenrola → Boldore 25
Drilbur → Excadrill 31
Timburr → Gurdurr 25
Tympole → Palpitoad 25
Palpitoad → Seismitoad 36
Sewaddle → Swadloon 20
Venipede → Whirlipede 22
Whirlipede → Scolipede 30
Sandile → Krokorok 29
Krokorok → Krookodile 40
Darumaka → Darmanitan
Normal form 35
Dwebble → Crustle 34
Scraggy → Scrafty 39
Yamask → Cofagrigus 34
Tirtouga → Carracosta 37
Archen → Archeops 37
Trubbish → Garbodor 36
Zorua → Zoroark 30
Gothita → Gothorita 32
Gothorita → Gothitelle 41
Solosis → Duosion 32
Duosion → Reuniclus 41
Ducklett → Swanna 35
Vanillite → Vanillish 35
Vanillish → Vanilluxe 47
Deerling → Sawsbuck 34
Foongus → Amoonguss 39
Frillish → Jellicent 40
Joltik → Galvantula 36
Ferroseed → Ferrothorn 40
Klink → Klang 38
Klang → Klinklang 49
Tynamo → Eelektrik 39
Elgyem → Beheeyem 42
Litwick → Lampent 41
Axew → Fraxure 38
Fraxure → Haxorus 48
Cubchoo → Beartic 37
Mienfoo → Mienshao 50
Golett → Golurk 43
Pawniard → Bisharp 52
Rufflet → Braviary 54
Vullaby → Mandibuzz 54
Deino → Zweilous 50
Zweilous → Hydreigon 64
Larvesta → Volcarona 59