National Adopt a Shelter Pet Day Date in the current year: April 30, 2026

Animal shelters are facilities that take in stray, lost, abandoned, surrendered, or rescued animals. They provide basic care, such as food, housing, and medical treatment, as well as work to reunite animals with their owners or place them in new homes through adoption. In addition to housing animals, shelters may engage in spay/neuter programs, vaccinations, and other animal welfare efforts to reduce the number of stray animals.

There are more than 4,000 animal shelters in the United States. Each year, they take in approximately 5.8 to 6.3 million animals. Most of these animals are dogs and cats, split roughly in half. Other species, such as rabbits, rodents, other small mammals, birds, and reptiles, account for a tiny fraction of shelter animals.

About 60-65% of American shelters are no-kill, meaning they only euthanize animals with untreatable medical conditions or extreme behavioral issues that make them unmanageable and dangerous. Shelters without a no-kill policy may euthanize healthy animals when they run out of space or resources or when an animal is deemed unlikely to be adopted. This does not mean that they euthanize animals indiscriminately, but they do have a higher euthanasia rate than no-kill shelters. According to estimates, 600,000–900,000 shelter animals are euthanized annually.

The main reason to adopt an animal from a shelter is to provide it with a stable and loving home. However, there are also a number of practical benefits to adoption. Often, adoption fees are lower than retail or breeder prices. Additionally, shelter animals are often vaccinated, microchipped, and spayed or neutered, which reduces initial veterinary care costs (although you should still bring your new pet to a vet for a checkup, just in case).

Shelters have a wide range of potential pets of various ages, sizes, and temperaments. You can observe and interact with them, taking your time to choose a pet that matches your personality and lifestyle—or simply the one with whom you feel a special connection (some say that pets sometimes make the choice first, not humans).

The origins of National Adopt a Shelter Pet Day are unclear, but the holiday has been part of the larger “adopt, don’t shop” movement for quite some time. It was created to remind potential pet owners that millions of shelter animals are waiting to be adopted. For many of these animals, adoption is a matter of life or death because not all shelters have a no-kill policy.

The best way to celebrate the holiday is to adopt a pet from a shelter. If you can’t provide a loving home for a pet right now, there are other ways to contribute to the cause. You can donate to or volunteer at your local pet shelter, participate in a virtual adoption program for special-needs or long-term shelter residents, or spread the word on social media using the hashtags #AdoptAShelterPetDay and #AdoptDontShop.