This list is discounting legendaries.

Highest

**HP**

Blissey (255) *Chansey (250)*

Wobbuffet (190)

Wailord (170)

Alomomola (165)

Snorlax (160)

**Atk**

Rampardos (165)

Slaking (160)

Haxorus (147)

Rhyperior + Conkeldurr + Darmanitan + Archeops (140)

Salamence (135)

**Def**

Shuckle (230)

Steelix (200)

Cloyster + Aggron (180)

Bastiodon (168)

Probopass (145)

**Sp. Ak**

Chandelure (145)

Darmanitan-Z (140)

Alakazam (135)

Porygon-Z (135)

Volcarona (135)

**Sp. Def**

Shuckle (230)

Probopass (150)

Mantine (140)

Bastiodon (138)

Blissey (135) & Dusknoir (135)

**Speed**

Ninjask (160)

Accelgor (145)

Electrode (140)

Jolteon + Aerodactyl + Crobat (130)

Swellow (125)

Source

Lowest

**HP**

Shedinja (1)

Shuckle (20)

Dugtrio (35)

Mr. Mime (40)

Luvdisc (43)

**Atk**

Shuckle + Blissey (10) *Chansey (5)*

Smeargle (20)

Luvdisc + Darmanitan-Z (30)

Woobuffet (33)

Ledian (35)

**Def**

Blissey (10) *Chansey (5)*

Cryogonal (30)

Smeargle & Jynx (35)

Plusle + Accelgor + Beedrill + Sharpedo (40)

Drifblim (44)

**Sp. Ak**

Shuckle (10)

Smeargle (20)

Shedinja + Darmantian + Swak + Thorh + Sudowoodo (30)

Woobuffet (33)

Hitmonlee/chan/top (35)

**Sp. Def**

Shedinja (30)

Sharpedo (40)

Chatot (42)

Smeargle + Alomomola + Delibird + Cloyster + Wailord (45)

Ditto (48)

**Speed**

Shuckle (5)

Torkoal + Escavalier + Ferrothorn (20)

Gigalith (25)

Musharna (29)

Sudowoodo + Steelix + Parasect + Magcargo + Amoonguss + Slowbro + Sunflora + Reuniclus + Cofagrigus + Snorlax + Slowking + Bastiodon (30)

Source