• It is estimated that the amount of stray cats that live in the United States ranges up to 70 million (ASPCA).

  • The average number of litters a fertile cat produces annually is 1 to 2; the average number of kittens is 4 to 6 per litter (ASPCA).

  • The average number of litters a fertile dog produces is 1 a year; the average number of puppies is 4 to 6 (ASPCA).