Australian Shepherd vs Border Collie

Which breed is right for you?

Australian Shepherd dog portrait Australian Shepherd Brainy, tireless and devoted. vs Border Collie dog portrait Border Collie The smartest dog in the world.

Quick verdict

Both the Australian Shepherd and the Border Collie are top-tier herding dogs with maximum energy and trainability, so neither suits a quiet or casual home. The biggest difference is intensity: the Border Collie is the single most trainable breed and the more obsessive workaholic, while the Australian Shepherd is slightly more easygoing and people-focused, scoring a touch higher on friendliness. Choose based on how much drive you can actually keep busy every day.

At a glance

Australian Shepherd Border Collie
Group Herding Herding
Size Medium Medium
Weight 18-29 kg 14-25 kg
Height 46-58 cm 46-56 cm
Lifespan 12-15 yr 12-15 yr
Origin United States United Kingdom
Energy 5 / 5 5 / 5
Trainability 5 / 5 5 / 5
Friendliness 5 / 5 4 / 5
Shedding 3 / 5 3 / 5
Barking 3 / 5 3 / 5
Good with kids Good Good
With other dogs Good Good
With cats With care With care

Choose the Australian Shepherd if:

Choose the Australian Shepherd if you want an intensely smart, work-driven dog that is a little warmer and more family-oriented, and you can commit to vigorous daily exercise plus a sport or job.

Full Australian Shepherd profile

Choose the Border Collie if:

Choose the Border Collie if you want the most trainable dog on earth for serious herding, agility or obedience, and you can provide hours of activity and constant mental challenges every single day.

Full Border Collie profile

Frequently asked questions

Which is easier to train, the Australian Shepherd or the Border Collie?

Both rate at the top for trainability, but the Border Collie is widely considered the easiest of all breeds to train and learns faster than almost any dog. The Australian Shepherd is also a quick, willing learner and very close behind.

Which breed is better for families with kids?

Both are rated Good with children, but the Australian Shepherd is a touch more people-focused and family-oriented. Either breed may try to herd and nip at running kids, so early training matters for both.

Can either breed live in an apartment?

Neither is a good apartment dog. Both have extremely high energy and need space and a job, and the Border Collie in particular is described as not suited to idle or apartment life.

Last updated June 2026

Sources: Compiled from recognised breed-standard and kennel-club references and general veterinary health guidance. This is general information, not veterinary advice.