Table 1.

Breakdown of pet population by region.

Country or Region	Description of Animals	Number of Animals (Million)	Reference
European Union	Ornamental fishes Reptiles Birds Small mammals Cats Dogs	300 7.9 37.2 21.2 77.4 68.5	[23]
United States	Ornamental fishes Reptiles Birds Small mammals Cats Dogs	158 9.4 20.3 14 97.2 89.7	[24]
Canada	Ornamental fishes Reptiles Birds Wild mammals Cats Dogs	unknown 0.4 0.4 0.3 8.3 8.2	[7,25]