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Toronto's feral cat population dropped from 100,000 to approximately 17,000 due to TNR programs
Source: Toronto Humane Society (2019)
Toronto Humane Society. (2019). Toronto Feral Cats Program Report. As cited in Cat Cognition. https://catcognition.com/statistics/feral-cats/#ca-toronto-feral-cats-2019
1.5-4.1 million
Canada has an estimated 1.5 to 4.1 million stray and feral cats
Canadian Veterinary Medical Association (2024)
>75%
Effective TNR programs require sterilization rates above 75% according to CVMA
Canadian Veterinary Medical Association (2024)
99.4% reduction
A 16-year TNR program on the San Francisco Bay reduced the initial population of 175 cats by 99.4%, with only 1 cat remaining
PMC / Frontiers (2020)
1 million
Britain has approximately 1 million feral cats living outside human homes
Cats Protection (2024)
