Examiner.com  quoted  American Veterinary Medical Association  statistics to state that about 60% of all households in the US have a pet. Other data reported include:

•      According to the  National Council on Pet Population Study and Policy  (NCPPSP), about 65% of US pet owners acquire their pets free or at a low cost.
•      Most US pets are obtained from acquaintances and family members. About 15 to 20% of dogs are purchased from breeders, 10 to 20%of cats and dogs are adopted from shelters and rescues, and 2 to 10% are purchased from pet shops. (Source: Ralston Purina and NCPPSP)
•      At least 20% of cats are acquired as strays. (Source: NCPPSP) Many strays are lost pets that were not kept indoors or provided with identification.
•      More than 20% of people who leave dogs in shelters adopted them from a shelter. (Source: NCPPSP)
•      Spaying or neutering pets costs less than raising puppies or kittens for one year. Neutering costs less than spaying at most vets.
•      The average annual cost of basic food, supplies, medical care and training for a dog or cat is US$400-700.
•      About 75% of owned pets are neutered.