BreedWise

Largest Dog Breeds (2026)

Go big or go home: the largest dog breeds in our dataset top out at 38 kg and up — the biggest dog breeds by adult weight, led by the 54–82 kg Saint Bernard. Size often brings gentleness (the Saint Bernard and Bernese Mountain Dog both score 5/5 for kid-friendliness), but it also brings realities: more food, more space, bigger vet bills. Want the size without the shedding? See big dogs that don't shed.
English Mastiff dog
#1

English Mastiff

Exercise need: 2/5

Very low exercise need (2/5). Typical weight 54–104 kg; lifespan 6–10 years.

Saint Bernard dog
#2

Saint Bernard

Exercise need: 2/5

Very low exercise need (2/5). Typical weight 54–82 kg; lifespan 8–10 years.

Irish Wolfhound dog
#3

Irish Wolfhound

Exercise need: 3/5

Low exercise need (3/5). Typical weight 48–65 kg; lifespan 6–8 years.

Rottweiler dog
#4

Rottweiler

Exercise need: 4/5

High exercise need (4/5). Typical weight 36–61 kg; lifespan 9–10 years.

Cane Corso dog
#5

Cane Corso

Exercise need: 4/5

High exercise need (4/5). Typical weight 41–54 kg; lifespan 10–12 years.

Bernese Mountain Dog dog
#6

Bernese Mountain Dog

Exercise need: 3/5

Low exercise need (3/5). Typical weight 32–52 kg; lifespan 7–10 years.

Akita dog
#7

Akita

Exercise need: 4/5

High exercise need (4/5). Typical weight 30–50 kg; lifespan 10–14 years.

Doberman Pinscher dog
#8

Doberman Pinscher

Exercise need: 5/5

High exercise need (5/5). Typical weight 27–45 kg; lifespan 10–12 years.

Giant-dog realities (from the dataset, not vibes): the giants on this list cost $110–$260/month to keep — the Saint Bernard tops it at $140–$260/month — and their lifespans run shorter than small breeds' (the Bernese Mountain Dog 7–10 years, the Rottweiler 9–10). Before the cuteness: measure your car, your doorways, and your emergency vet fund. A giant dog is a lifestyle decision, not just a bigger puppy.
How this ranking works: Qualified: adult weight ≥38kg. Listed heaviest first. “Largest” here means heaviest — height crowns a slightly different list, but weight is what your budget and your back actually feel. Trait scores are our 1–5 editorial ratings across 42 breeds — not paid placements, not a popularity contest.

Frequently asked questions

What is the largest dog breed?

By our data, the top-ranked is the English Mastiff — Very low exercise need (2/5).

Are these rankings objective?

They're computed from our 1–5 trait scores across 42 breeds — the same dataset behind every page here. No sponsored placements; the methodology is shown above.

Should I still meet the dog first?

Yes. Data narrows the field, but individual temperament varies. Meet the dog, talk to the breeder or shelter, and consider your routine honestly.

What is the world's largest dog breed?

By weight, the English Mastiff is usually cited as the world's largest breed — and it is in our 42-breed dataset as the heaviest breed we profile, at 54–104 kg, followed by the Saint Bernard (54–82 kg) and the Irish Wolfhound (48–65 kg).

What is the top 10 biggest dog breed?

Our dataset holds a full 10 breeds at 38 kg and up: English Mastiff (54–104 kg), Saint Bernard (54–82 kg), Irish Wolfhound (48–65 kg), Rottweiler (36–61 kg), Cane Corso (41–54 kg), Bernese Mountain Dog (32–52 kg), Akita (30–50 kg), Doberman Pinscher (27–45 kg), Alaskan Malamute (34–45 kg), and German Shepherd Dog (23–40 kg). Longer internet lists add breeds like the Great Dane; we list only what our dataset can back.

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