6-8 million (HSUS estimate) Number of cats and dogs euthanized by shelters each year:
HSUS over population..

HSUS Pet Overpopulation Estimates
Number of cats and dogs entering shelters each year:
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3-4 million (HSUS estimate)
Number of cats and dogs adopted from shelters each year:
3-4 million (HSUS estimate)
Number of cats and dogs reclaimed by owners from shelters
each year:
Between 600,000 and 750,000—30 percent of dogs and 2-5
percent of cats entering shelters (HSUS estimate)
Number of animal shelters in the United States:
Between 4,000 and 6,000 (HSUS estimate)
Percentage of dogs in shelters who are purebred:
25 percent (HSUS estimate)
Average number of litters a fertile cat can produce in one year:
3
Average number of kittens in a feline litter: 4-6
Average number of litters a fertile dog can produce in one year:
2
Average number of puppies in a canine litter: 6-10
Unless otherwise indicated, statistics provided by The National
Council on Pet Population, Study and Policy.
Updated July 7, 2008.