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Chihuahua vs Shih Tzu

Side-by-side comparison across all 14 AKC trait ratings, with a clear verdict on which breed fits which kind of household.

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The bottom line

Chihuahua vs Shih Tzu

People compare Chihuahuas and Shih Tzus because they’re both tiny, big-eyed companions that fit in a purse and a studio apartment. But beneath the size similarity, they’re nothing alike. One’s a live wire in a fur coat, the other a velvet lap pillow with a wagging tail. The Chihuahua is all spark. At 6 pounds, they’re featherlight but loud. barking at doorbells, strangers, squirrels you didn’t even see. They’re sassy, fiercely loyal to one person, and can be standoffish with kids. You’ll need patience with training; they’re clever but stubborn, and their tiny frames mean you can’t skip the winter coat in most places. They thrive on routine and affection, but not roughhousing. The Shih Tzu, meanwhile, is built for cuddles. Heavier at up to 16 pounds, they’re sturdier and more even-tempered. They don’t bark as much, love everyone including gentle kids, and adapt to households with ease. But that gorgeous coat? It’s not low-maintenance. You’ll need to brush daily or face mats, and many owners opt for the puppy cut to keep things sane. Here’s the real talk: if you want a dog that feels like a personal accessory with attitude, go Chihuahua. If you want a soft, happy greeter who’ll charm every guest and tolerate toddlers, pick the Shih Tzu. And one truth the breeders won’t shout: the Shih Tzu’s flat face means they snore, overheat easily, and can struggle breathing in humidity. The Chihuahua’s loud, yes. but at least they breathe fine. Pick based on your lifestyle, not just the cuteness.

Chihuahua
Shih Tzu
5–8 in
Height
9–10.5 in
3–6 lb
Weight
9–16 lb
14–16 yr
Lifespan
10–18 yr
$1.0–3.5k
Puppy price
$1.2–3.5k
#33
AKC popularity
#20

Trait-by-trait

Higher bar = more of that trait. Shedding, barking, drooling, grooming flipped for readability.
Affectionate w/ Family
Good with Young Children
Good with Other Dogs
Shedding Level
Coat Grooming
Drooling Level
Good with Strangers
Playfulness
Watchdog / Protective
Adaptability
Trainability
Energy Level
Barking Level
Mental Stimulation Needs
AffectionGood w/ KidsGood w/ DogsShedding LevelGroomingDrooling LevelGood w/ StrangersPlayfulnessProtectiveAdaptabilityTrainabilityEnergy LevelBarking LevelMental Stim.
Chihuahua Shih Tzu
Overlay

Where they diverge

Good with Young Children
Shih Tzu is better with kids (4-point difference)
Shih
Coat Grooming
Chihuahua needs less grooming (3-point difference)
Chihuahua
Good with Other Dogs
Shih Tzu is better with other dogs (2-point difference)
Shih
Barking Level
Shih Tzu barks less (2-point difference)
Shih
Affectionate w/ Family
Shih Tzu is more affectionate (1-point difference)
Shih
The verdict

Choose the Chihuahua if…

  • Apartment living
  • Singles and couples
  • Retirees
  • You value barking levelChihuahua scores noticeably higher.

Choose the Shih Tzu if…

  • Apartment living
  • Seniors
  • Families with gentle children
  • You value good with young childrenShih Tzu scores higher here.
Chihuahua Owner’s Guide
Everything you need before bringing your Chihuahua home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide
Shih Tzu Owner’s Guide
Everything you need before bringing your Shih Tzu home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide

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