Chihuahua Lifespan: 14–16 Years and What Affects It

Most Chihuahuas live 14–16 years. Common risks: patellar luxation and collapsing trachea. Weight, exercise and regular vet checks are the parts owners control.

Checked: September 23, 2026

How long Chihuahuas live

Typical life expectancy: 14–16 years. Individual dogs vary; weight, exercise and regular vet care are the parts owners can influence.

Health risks to know about

• Patellar luxation
• Collapsing trachea
• Hydrocephalus
• Periodontal (dental) disease

This is general information, not veterinary advice. If you notice changes in breathing, mobility, appetite or weight, talk to your vet.

Also: Chihuahua Full Grown: Up to 6 lb Adult Weight & Height