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Effective TNR programs require sterilization rates above 75% according to CVMA
Source: Canadian Veterinary Medical Association (2024)
Canadian Veterinary Medical Association. (2024). Free-roaming Cats Position Statement. As cited in Cat Cognition. https://catcognition.com/statistics/feral-cats/#ca-tnr-effectiveness-cvma
1.5-4.1 million
Canada has an estimated 1.5 to 4.1 million stray and feral cats
Canadian Veterinary Medical Association (2024)
~17,000
Toronto's feral cat population dropped from 100,000 to approximately 17,000 due to TNR programs
Toronto Humane Society (2019)
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)
7%
Only 7% of community cats in Tokyo CCP areas showed poor health, compared to 28% in non-CCP areas
Animals (MDPI) (2020)
