Back to Dogs
Collie - Dog breed
Doglarge12-14 yearsHerding

Collie

Graceful, devoted, and proud herding dog

Size
large
Lifespan
13 years
Senior Age
10+ years
Origin
Scotland

Characteristics

GracefulDevotedProudFriendly

Collie Age in Human Years

Dog AgeHuman AgeLife Stage
0.5 years19 yearsJunior
1 year30 yearsAdult
2 years40 yearsAdult
3 years46 yearsAdult
4 years51 yearsMature
5 years54 yearsMature
6 years57 yearsMature
7 years59 yearsMature
8 years61 yearsMature
9 years63 yearsMature
10 years64 yearsMature
12 years67 yearsSenior
14 years70 yearsSenior

Health Considerations

  • Eye problems screening
  • Drug sensitivity possible
  • Regular grooming needed

Have health concerns about your Collie? Book a health consultation with our pet specialists.

Frequently Asked Questions

How long do Collies live?

Collies typically live 12 to 14 years, with an average lifespan of 13 years. Proper nutrition, regular exercise, and routine veterinary care can help your Collie live a longer, healthier life.

When is a Collie considered a senior?

A Collie is generally considered a senior at around 10 years of age. At this stage, you may notice changes in energy levels, and it's important to adjust their diet and exercise routine accordingly.

How do I calculate my Collie's age in human years?

Collie aging isn't linear like the old "7 years" myth suggests. Use our breed-specific calculator above for accurate results. Generally, Collies age faster in their first few years, then slow down as adults.

What size is a Collie?

Collies are classified as large-sized dogs. They belong to the Herding group and are known for being graceful, devoted, proud.

Calculate Your Collie's Age

How Old Is Your Dog in Human Years?

Based on UC San Diego 2020 research on DNA methylation patterns

years
months

Enter your dog's age in years and months

Need Expert Advice?

Get personalized guidance for your Collie from our certified pet specialists.