Dog license revenue is income municipalities collect from fees charged for registering dogs within their jurisdiction. Most Canadian municipalities require dog owners to obtain annual licenses, with the licensing system serving multiple purposes: identifying owned dogs (through tags or microchips), ensuring proof of rabies vaccination, enabling reunification of lost pets with owners, and funding animal services. License fees vary by municipality and often differ based on whether the dog is spayed/neutered (fixed dogs typically pay lower fees as an incentive), the number of dogs owned, or the owner's age (senior discounts). While license revenue contributes to animal control operations, shelters, and enforcement, many jurisdictions report low compliance rates, with significant numbers of dogs remaining unlicensed. Some municipalities have moved to lifetime licensing or microchip-based systems to improve compliance.