Top 50 Small Dog Breeds: Complete Guide with Pros, Cons & Lifespans

Small dog breeds make up some of the most popular companions in the world — and for good reason. They're portable, apartment-friendly, and often live longer than their larger cousins. Whether you're looking for a lazy lap dog, a scrappy little watchdog, or an agility champion in miniature, there's a small breed perfectly suited to your lifestyle.

In this comprehensive guide, we cover 50 of the best small dog breeds, complete with pros, cons, average lifespan, weight ranges, and expert advice from veterinarians and dog behaviourists. We've also included a quick-reference comparison table so you can find your ideal match at a glance.

#	Breed	Group	Lifespan	Weight	Best For
1	Chihuahua	Toy	14–16 years	2–6 lbs	Extremely loyal
2	Pomeranian	Toy	12–16 years	3–7 lbs	Fluffy coat
3	Yorkshire Terrier	Toy	11–15 years	4–7 lbs	Hypoallergenic coat
4	Maltese	Toy	12–15 years	4–8 lbs	Gentle
5	Toy Poodle	Toy	12–15 years	4–6 lbs	Highly intelligent
6	Miniature Poodle	Toy	12–15 years	10–15 lbs	Intelligent
7	Shih Tzu	Toy	10–18 years	9–16 lbs	Affectionate
8	Pug	Toy	12–15 years	14–18 lbs	Charming
9	French Bulldog	Non-Sporting	10–12 years	16–28 lbs	Quiet
10	Boston Terrier	Non-Sporting	11–13 years	12–25 lbs	Friendly
11	Dachshund (Standard)	Hound	12–16 years	16–32 lbs	Brave
12	Dachshund (Miniature)	Hound	12–16 years	under 11 lbs	Spunky
13	Papillon	Toy	13–15 years	5–10 lbs	Highly intelligent
14	Cavalier King Charles Spaniel	Toy	12–15 years	13–18 lbs	Sweet-natured
15	Bichon Frise	Non-Sporting	12–15 years	12–18 lbs	Cheerful
16	Jack Russell Terrier	Terrier	13–16 years	13–17 lbs	Energetic
17	Russell Terrier	Terrier	12–14 years	9–15 lbs	Alert
18	Norfolk Terrier	Terrier	12–15 years	11–12 lbs	Fearless
19	Norwich Terrier	Terrier	12–15 years	11–12 lbs	Bold
20	Border Terrier	Terrier	12–15 years	11–15 lbs	Good-natured
21	West Highland White Terrier	Terrier	12–16 years	15–20 lbs	Confident
22	Cairn Terrier	Terrier	12–15 years	13–14 lbs	Curious
23	Scottish Terrier	Terrier	11–13 years	18–22 lbs	Dignified
24	Sealyham Terrier	Terrier	12–14 years	23–24 lbs	Calm for a terrier
25	Skye Terrier	Terrier	12–15 years	25–28 lbs	Loyal
26	Australian Terrier	Terrier	12–15 years	15–20 lbs	Hardy
27	Silky Terrier	Toy	12–15 years	8–11 lbs	Smart
28	Chinese Crested	Toy	13–15 years	8–12 lbs	Affectionate
29	Havanese	Toy	14–16 years	7–13 lbs	Cheerful
30	Coton de Tulear	Toy	14–16 years	8–15 lbs	Gentle
31	Italian Greyhound	Toy	14–15 years	7–14 lbs	Elegant
32	Whippet (Small)	Hound	12–15 years	18–28 lbs	Gentle
33	Miniature Schnauzer	Terrier	12–15 years	11–20 lbs	Intelligent
34	Affenpinscher	Toy	12–15 years	7–10 lbs	Comical
35	Brussels Griffon	Toy	10–15 years	8–12 lbs	Sensitive
36	Pekingese	Toy	12–15 years	7–14 lbs	Regal
37	Japanese Chin	Toy	10–12 years	7–11 lbs	Cat-like
38	Toy Fox Terrier	Toy	13–15 years	3.5–7 lbs	Intelligent
39	Manchester Terrier (Toy)	Toy	15–17 years	under 12 lbs	Alert
40	English Toy Spaniel	Toy	10–12 years	8–14 lbs	Sweet
41	Miniature Pinscher	Toy	13–15 years	8–10 lbs	Energetic
42	Rat Terrier	Terrier	13–18 years	10–25 lbs	Hardy
43	Teddy Roosevelt Terrier	Terrier	14–16 years	8–25 lbs	Affectionate
44	Löwchen	Non-Sporting	13–15 years	11–18 lbs	Friendly
45	Schipperke	Non-Sporting	13–15 years	10–16 lbs	Fearless
46	Basenji	Hound	13–14 years	22–24 lbs	Barkless
47	Shiba Inu	Non-Sporting	13–16 years	17–23 lbs	Independent
48	Tibetan Spaniel	Non-Sporting	12–15 years	9–15 lbs	Calm
49	Tibetan Terrier	Non-Sporting	12–15 years	18–30 lbs	Gentle
50	Lhasa Apso	Non-Sporting	12–15 years	12–18 lbs	Independent
51	Cockapoo (Mini)	Designer	14–17 years	13–18 lbs	Friendly
52	Maltipoo	Designer	12–16 years	5–15 lbs	Affectionate

Toy Breeds: The Ultimate Lap Dogs (1–15)

Toy breeds were bred primarily as companions. They're the smallest dogs on the planet, and while some have working-dog ancestry, most are happiest on your lap. These breeds typically weigh under 15 pounds and are ideal for apartment living.

1Chihuahua

The smallest dog breed in the world, perfect for apartment dwellers who want a devoted companion.

Group: Toy | Lifespan: 14–16 years | Weight: 2–6 lbs | Height: 5–8 in

• Pros: Extremely loyal, portable, low exercise needs
• Cons: Can be snappy, fragile, prone to dental issues

2Pomeranian

A fluffy fox-like companion that packs a big personality into a tiny frame.

Group: Toy | Lifespan: 12–16 years | Weight: 3–7 lbs | Height: 6–7 in

• Pros: Fluffy coat, spirited personality, highly intelligent
• Cons: Heavy shedder, can be vocal, prone to tracheal collapse

3Yorkshire Terrier

A feisty, glamorous little terrier that adapts well to city living.

Group: Toy | Lifespan: 11–15 years | Weight: 4–7 lbs | Height: 7–8 in

• Pros: Hypoallergenic coat, brave, compact
• Cons: Can be yappy, difficult to housetrain, needs grooming

4Maltese

An ancient lap dog breed with a silky white coat and sweet temperament.

Group: Toy | Lifespan: 12–15 years | Weight: 4–8 lbs | Height: 7–9 in

• Pros: Gentle, hypoallergenic, low exercise needs
• Cons: High grooming needs, prone to tear stains, separation anxiety

5Toy Poodle

One of the smartest breeds in the world, available in a pocket-sized package.

Group: Toy | Lifespan: 12–15 years | Weight: 4–6 lbs | Height: under 10 in

• Pros: Highly intelligent, hypoallergenic, eager to please
• Cons: Needs mental stimulation, grooming costs, prone to anxiety

6Miniature Poodle

A slightly larger poodle that retains all the intelligence with a sturdier frame.

Group: Toy | Lifespan: 12–15 years | Weight: 10–15 lbs | Height: 10–15 in

• Pros: Intelligent, athletic, hypoallergenic
• Cons: High grooming needs, can be neurotic if under-stimulated

7Shih Tzu

Bred for Chinese royalty, this breed is the ultimate companion lap dog.

Group: Toy | Lifespan: 10–18 years | Weight: 9–16 lbs | Height: 9–10.5 in

• Pros: Affectionate, good with children, low exercise
• Cons: Stubborn, heavy shedding if not clipped, prone to eye issues

8Pug

A lovable clown that thrives on human companionship and adapts to any home.

Group: Toy | Lifespan: 12–15 years | Weight: 14–18 lbs | Height: 10–13 in

• Pros: Charming, great with kids, low exercise needs
• Cons: Brachycephalic breathing issues, sheds heavily, prone to obesity

9French Bulldog

The most popular small breed in America — bat ears and a personality to match.

Group: Non-Sporting | Lifespan: 10–12 years | Weight: 16–28 lbs | Height: 11–12 in

• Pros: Quiet, adaptable, playful
• Cons: Breathing problems, can't swim, sensitive to heat

10Boston Terrier

The "American Gentleman" — a tuxedoed companion that's great for first-time owners.

Group: Non-Sporting | Lifespan: 11–13 years | Weight: 12–25 lbs | Height: 15–17 in

• Pros: Friendly, intelligent, low grooming
• Cons: Brachycephalic, sensitive to extreme temperatures, gassy

11Dachshund (Standard)

The "wiener dog" with a big personality and an even bigger heart.

Group: Hound | Lifespan: 12–16 years | Weight: 16–32 lbs | Height: 8–9 in

• Pros: Brave, clever, good watchdogs
• Cons: Back problems (IVDD), stubborn, can be noisy

12Dachshund (Miniature)

A smaller version of the dachshund, perfect for those who want an even tinier sausage dog.

Group: Hound | Lifespan: 12–16 years | Weight: under 11 lbs | Height: 5–6 in

• Pros: Spunky, loyal, great for apartments
• Cons: Back issues, stubborn, high prey drive

13Papillon

A butterfly-eared genius that excels in agility and obedience despite its size.

Group: Toy | Lifespan: 13–15 years | Weight: 5–10 lbs | Height: 8–11 in

• Pros: Highly intelligent, athletic, easy to train
• Cons: High energy, can be fragile, prone to patellar luxation

14Cavalier King Charles Spaniel

The ultimate cuddle companion — a spaniel that loves nothing more than being on your lap.

Group: Toy | Lifespan: 12–15 years | Weight: 13–18 lbs | Height: 12–13 in

• Pros: Sweet-natured, gentle, good with everyone
• Cons: Prone to heart disease (MVD), separation anxiety, needs regular grooming

15Bichon Frise

A fluffy white cloud of joy that lives up to its name meaning "curly lap dog."

Group: Non-Sporting | Lifespan: 12–15 years | Weight: 12–18 lbs | Height: 9.5–11.5 in

• Pros: Cheerful, hypoallergenic, great with kids
• Cons: Needs frequent grooming, prone to allergies, can be hard to housetrain

Terriers: Small Dogs with Big Attitude (16–27)

Terriers were bred to hunt vermin, and they retain that feisty, fearless spirit. They're energetic, intelligent, and often have high prey drives. If you want a small dog that doesn't know it's small, a terrier might be your perfect match.

16Jack Russell Terrier

A small dog with the energy of a large one — perfect for active owners.

Group: Terrier | Lifespan: 13–16 years | Weight: 13–17 lbs | Height: 10–15 in

• Pros: Energetic, intelligent, fearless
• Cons: Extremely high energy, prone to digging, strong prey drive

17Russell Terrier

A slightly smaller version of the Jack Russell, recognised as a separate breed.

Group: Terrier | Lifespan: 12–14 years | Weight: 9–15 lbs | Height: 10–12 in

• Pros: Alert, athletic, loyal
• Cons: High energy, can be aggressive with other dogs, stubborn

18Norfolk Terrier

One of the smallest working terriers — a sturdy, charming farm dog turned companion.

Group: Terrier | Lifespan: 12–15 years | Weight: 11–12 lbs | Height: 9–10 in

• Pros: Fearless, affectionate, good with children
• Cons: High prey drive, diggers, can be vocal

19Norwich Terrier

Prick-eared cousin of the Norfolk, equally spirited and slightly more confident.

Group: Terrier | Lifespan: 12–15 years | Weight: 11–12 lbs | Height: 9–10 in

• Pros: Bold, friendly, adaptable
• Cons: Prone to digging, can be territorial, hard to find

20Border Terrier

A scruffy, even-tempered terrier that gets along well with other dogs.

Group: Terrier | Lifespan: 12–15 years | Weight: 11–15 lbs | Height: 11–15 in

• Pros: Good-natured, hardy, easy to train
• Cons: High prey drive, needs lots of exercise, can be escape artists

21West Highland White Terrier

The "Westie" is a cheerful white terrier with a surprising amount of grit.

Group: Terrier | Lifespan: 12–16 years | Weight: 15–20 lbs | Height: 10–11 in

• Pros: Confident, friendly, low shedding
• Cons: Stubborn, prone to skin allergies, can be vocal

22Cairn Terrier

Toto from The Wizard of Oz — a tough, shaggy terrier with a heart of gold.

Group: Terrier | Lifespan: 12–15 years | Weight: 13–14 lbs | Height: 9–10 in

• Pros: Curious, hardy, good with children
• Cons: Stubborn, high prey drive, heavy shedders

23Scottish Terrier

The "Scottie" is an iconic breed with a dignified air and a wiry coat.

Group: Terrier | Lifespan: 11–13 years | Weight: 18–22 lbs | Height: 10–11 in

• Pros: Dignified, independent, low shedding
• Cons: Can be aggressive with other dogs, stubborn, prone to cancer

24Sealyham Terrier

A rare Welsh breed that's calmer than most terriers — a hidden gem.

Group: Terrier | Lifespan: 12–14 years | Weight: 23–24 lbs | Height: 10–11 in

• Pros: Calm for a terrier, loyal, low shedding
• Cons: Rare, can be stubborn, prone to deafness

25Skye Terrier

A long, low Scottish terrier with a flowing coat and fierce loyalty.

Group: Terrier | Lifespan: 12–15 years | Weight: 25–28 lbs | Height: 9–10 in

• Pros: Loyal, calm, distinctive appearance
• Cons: Very rare, can be aggressive with unfamiliar dogs, heavy coat

26Australian Terrier

A rugged little terrier from Down Under that's both companion and watchdog.

Group: Terrier | Lifespan: 12–15 years | Weight: 15–20 lbs | Height: 10–11 in

• Pros: Hardy, alert, good watchdogs
• Cons: High prey drive, can be bossy, diggers

27Silky Terrier

A cross between a Yorkshire and Australian Terrier with a silky blue coat.

Group: Toy | Lifespan: 12–15 years | Weight: 8–11 lbs | Height: 9–10 in

• Pros: Smart, energetic, low shedding
• Cons: Can be yappy, high grooming needs, prone to anxiety

Hounds, Non-Sporting & Rare Breeds (28–43)

This diverse group includes sighthounds, spitz-type dogs, and rare breeds you may not have heard of. From the barkless Basenji to the fox-like Shiba Inu, these breeds offer something for the owner looking beyond the usual suspects.

28Chinese Crested

A hairless (or powderpuff) breed that turns heads and loves laps.

Group: Toy | Lifespan: 13–15 years | Weight: 8–12 lbs | Height: 11–13 in

• Pros: Affectionate, unique appearance, low exercise
• Cons: Skin care needs, dental issues, cold-sensitive

29Havanese

Cuba's national dog — a silky, sunny companion that thrives on human contact.

Group: Toy | Lifespan: 14–16 years | Weight: 7–13 lbs | Height: 8.5–11.5 in

• Pros: Cheerful, good with kids, hypoallergenic
• Cons: Needs daily grooming, separation anxiety, can be vocal

30Coton de Tulear

A cotton-ball companion from Madagascar known for its playful, vocal personality.

Group: Toy | Lifespan: 14–16 years | Weight: 8–15 lbs | Height: 9–11 in

• Pros: Gentle, clownish, hypoallergenic
• Cons: High grooming needs, rare and expensive, prone to separation anxiety

31Italian Greyhound

A miniature sighthound that loves sprinting outdoors and snoozing on the sofa.

Group: Toy | Lifespan: 14–15 years | Weight: 7–14 lbs | Height: 13–15 in

• Pros: Elegant, quiet, athletic
• Cons: Fragile legs, cold-sensitive, difficult to housetrain

32Whippet (Small)

A medium-small sighthound that's calm indoors and lightning-fast outdoors.

Group: Hound | Lifespan: 12–15 years | Weight: 18–28 lbs | Height: 18–22 in

• Pros: Gentle, quiet, low grooming
• Cons: High prey drive, needs fenced exercise, cold-sensitive

33Miniature Schnauzer

A bearded companion that's both watchdog and family dog in a compact frame.

Group: Terrier | Lifespan: 12–15 years | Weight: 11–20 lbs | Height: 12–14 in

• Pros: Intelligent, hypoallergenic, good watchdogs
• Cons: Can be vocal, stubborn, prone to pancreatitis

34Affenpinscher

The "monkey dog" — a wiry, comical breed that doesn't know how small it is.

Group: Toy | Lifespan: 12–15 years | Weight: 7–10 lbs | Height: 9–11.5 in

• Pros: Comical, loyal, low exercise needs
• Cons: Can be territorial, stubborn, difficult to housetrain

35Brussels Griffon

A bearded little dog with a human-like expression and a heart full of devotion.

Group: Toy | Lifespan: 10–15 years | Weight: 8–12 lbs | Height: 7–10 in

• Pros: Sensitive, devoted, expressive face
• Cons: Can be moody, difficult to housetrain, prone to eye issues

36Pekingese

An ancient Chinese imperial breed with a lion-like mane and imperial attitude.

Group: Toy | Lifespan: 12–15 years | Weight: 7–14 lbs | Height: 6–9 in

• Pros: Regal, loyal, low exercise
• Cons: Brachycephalic, heavy shedder, can be aggressive if not socialised

37Japanese Chin

A dainty, aristocratic breed that's been a lap dog for Japanese nobility for centuries.

Group: Toy | Lifespan: 10–12 years | Weight: 7–11 lbs | Height: 8–11 in

• Pros: Cat-like, quiet, graceful
• Cons: Brachycephalic, fragile, prone to heart murmurs

38Toy Fox Terrier

A tiny terrier with the heart of a hunter and the size of a toy breed.

Group: Toy | Lifespan: 13–15 years | Weight: 3.5–7 lbs | Height: 8.5–11.5 in

• Pros: Intelligent, athletic, easy to train
• Cons: High energy, can be fragile, prone to barking

39Manchester Terrier (Toy)

A sleek, black-and-tan terrier that's one of the longest-living small breeds.

Group: Toy | Lifespan: 15–17 years | Weight: under 12 lbs | Height: 10–12 in

• Pros: Alert, intelligent, low grooming
• Cons: High prey drive, can be aloof with strangers, sensitive to cold

40English Toy Spaniel

A gentle, dome-headed companion favoured by British kings and queens.

Group: Toy | Lifespan: 10–12 years | Weight: 8–14 lbs | Height: 9–10 in

• Pros: Sweet, quiet, good lap dogs
• Cons: Brachycephalic, prone to heart issues, can be stubborn

41Miniature Pinscher

The "King of the Toys" — a sleek, spirited dog that thinks it's a Doberman.

Group: Toy | Lifespan: 13–15 years | Weight: 8–10 lbs | Height: 10–12.5 in

• Pros: Energetic, fearless, low grooming
• Cons: Escapist, high energy, can be aggressive with other dogs

42Rat Terrier

An American farm dog turned companion — one of the longest-living breeds on this list.

Group: Terrier | Lifespan: 13–18 years | Weight: 10–25 lbs | Height: 10–18 in

• Pros: Hardy, intelligent, long-lived
• Cons: High energy, strong prey drive, can be destructive if bored

43Teddy Roosevelt Terrier

A short-legged American terrier named after the president who loved them.

Group: Terrier | Lifespan: 14–16 years | Weight: 8–25 lbs | Height: 8–15 in

• Pros: Affectionate, hardy, versatile
• Cons: High energy, can be vocal, strong prey drive

Designer & Crossbreeds (44–50)

Designer breeds are deliberate crosses between two purebreds, aiming to combine the best traits of each. While their characteristics can be less predictable than purebreds, many offer hypoallergenic coats and hybrid vigour. Always meet the parents and choose a responsible breeder — or consider adopting instead of shopping.

44Löwchen

The "little lion dog" — a rare, happy breed with a distinctive lion clip.

Group: Non-Sporting | Lifespan: 13–15 years | Weight: 11–18 lbs | Height: 11–13 in

• Pros: Friendly, hypoallergenic, rare
• Cons: Expensive, needs grooming, can be difficult to find

45Schipperke

A little black Belgian dog that's been guarding canal boats for centuries.

Group: Non-Sporting | Lifespan: 13–15 years | Weight: 10–16 lbs | Height: 10–13 in

• Pros: Fearless, loyal, low grooming
• Cons: High energy, can be stubborn, heavy seasonal shedders

46Basenji

The "barkless dog" from Central Africa — yodels instead of barks and grooms like a cat.

Group: Hound | Lifespan: 13–14 years | Weight: 22–24 lbs | Height: 16–17 in

• Pros: Barkless, clean, intelligent
• Cons: High energy, escape artists, can be aloof

47Shiba Inu

Japan's most popular companion dog — fox-like looks and a big-dog personality.

Group: Non-Sporting | Lifespan: 13–16 years | Weight: 17–23 lbs | Height: 13.5–16.5 in

• Pros: Independent, clean, striking appearance
• Cons: Strong prey drive, can be aloof, notorious escape artists

48Tibetan Spaniel

A lion-like companion from Tibetan monasteries that's calm and watchful.

Group: Non-Sporting | Lifespan: 12–15 years | Weight: 9–15 lbs | Height: 10 in

• Pros: Calm, intelligent, good watchdogs
• Cons: Can be aloof with strangers, prone to dental issues, stubborn

49Tibetan Terrier

A shaggy, medium-small breed that's both companion and herder in the Himalayas.

Group: Non-Sporting | Lifespan: 12–15 years | Weight: 18–30 lbs | Height: 14–17 in

• Pros: Gentle, hypoallergenic, adaptable
• Cons: High grooming needs, can be wary of strangers, needs socialisation

50Lhasa Apso

A sentinel breed from Tibetan palaces that's small but takes its guard duty seriously.

Group: Non-Sporting | Lifespan: 12–15 years | Weight: 12–18 lbs | Height: 10–11 in

• Pros: Independent, loyal, good watchdogs
• Cons: Can be aloof, high grooming needs, prone to eye issues

51Cockapoo (Mini)

A Cocker Spaniel–Poodle cross that combines the best of both breeds in a small package.

Group: Designer | Lifespan: 14–17 years | Weight: 13–18 lbs | Height: 10–15 in

• Pros: Friendly, hypoallergenic, great with families
• Cons: Unpredictable traits, needs grooming, prone to ear infections

52Maltipoo

A Maltese–Poodle cross that's one of the most popular designer breeds for good reason.

Group: Designer | Lifespan: 12–16 years | Weight: 5–15 lbs | Height: 8–14 in

• Pros: Affectionate, hypoallergenic, great for beginners
• Cons: Fragile, separation anxiety, needs regular grooming

How to Choose the Right Small Dog Breed for You

With 50 breeds to choose from, narrowing it down can feel overwhelming. Here are the key factors to consider:

• Activity level: Be honest about how much exercise you can provide. A Jack Russell needs hours; a Pug is happy with a short walk.
• Living space: Most small breeds do well in apartments, but noisy breeds like Chihuahuas may not suit thin-walled buildings.
• Allergies: If someone in your household has allergies, look at Poodle crosses, Bichon Frise, or Portuguese Water Dogs.
• Children: Some small breeds are fragile and not suitable for young children. Cavaliers and Boston Terriers are generally good family choices.
• Grooming budget: Long-coated breeds like the Shih Tzu and Havanese require professional grooming every 4–6 weeks.
• Lifespan expectations: Small breeds generally live longer than large breeds, but be prepared for 12–18 years of commitment.