Chihuahua vs Shih Tzu
Side-by-side comparison of Chihuahua and Shih Tzu: energy, shedding, trainability, apartment fit, and more.
Quick Verdict
Better fit for families with kids
Shih Tzu
Chihuahua: Best with older kidsiSmall size makes them vulnerable to rough handling; best with calm, older childrenShih Tzu: best with older, calmer childreniGentle and affectionate; fragility at the lower end of the weight range means supervision and calm handling matter, and the breed suits older or quieter children better than households with very young, rough-playing kids
Chihuahua
Chihuahua: LowiSmooth coats are very low-maintenance; long-haired variety needs weekly brushingShih Tzu: HighiDaily brushing essential to prevent matting; professional trims every 6–8 weeks
Shih Tzu
Chihuahua: Can be assertive toward catsiGenerally manageable with cats when properly introduced; bold temperament can cause standoffs, but the size dynamic typically works in the cat's favor so coexistence is often achievable with patienceShih Tzu: Gentle; typically fineiBred purely for companionship with minimal hunting drive; Shih Tzus typically coexist peacefully with resident cats
Shih Tzu
Chihuahua: Barking management essentialiPhysically well-suited to small spaces, but high barking requires active training management in shared-wall buildings — a challenge the breed's small size leads many owners to underestimateShih Tzu: lower exercise needsiPhysically well-suited to small spaces with low exercise needs, but Moderate-High barking requires active training management in shared-wall buildings
Lower barking tendency
Shih Tzu
Chihuahua: HighShih Tzu: Moderate to High
Verdicts are based on trait ratings. Always evaluate individual dogs and confirm behavior with the shelter, foster, or rescue organization.
Stats at a Glance
| Trait | Chihuahua | Shih Tzu |
|---|---|---|
| Size | Small | Small |
| Energy | Moderate | Low |
| Shedding | Low to Moderate | Low to Moderate |
| Grooming | Low | High |
| Trainability | Moderate | Moderate |
| Barking | High | Moderate to High |
| Apartment Friendly | Yes (with training) | Yes |
| Good With Kids | Older kids onlyBest with older kids | Yes (with supervision)best with older, calmer children |
| Good With Dogs | Varies by socializationSocialization helps | Often |
| Good With Cats | Often with socializationCan be assertive toward cats | OftenGentle; typically fine |
| Daily Exercise | 20–30 min/day | 20–40 min/day |
| Typical Lifespan | 14–16 years | 12–16 years |
| Beginner Friendly | Manageable | Beginner-friendly |