What is the most common service dog?

The most common and well-known service dog should be Guide Dog as the first service dogs are just for the blind. However, as service dogs can also be trained to assist people with other disabilities, they gradually developed into various types, for one or more than one disability. Here are the common types of service dogs:

1. Guide dogs

2. Hearing dogs

3. Diabetic alert dogs

4. Seizure alert dogs and seizure response dogs

5. Psychiatric service dogs

6. Mobility assistance dogs

7. Autism support dogs