The indoor versus outdoor cat debate involves genuine welfare trade-offs for cats — balancing behavioral freedom and environmental complexity against safety, predation, and reduced lifespan.
Indoor-outdoor cat management requires honestly weighing the welfare of individual cats against the welfare impact on wildlife populations. Outdoor cats live shorter lives with higher disease and trauma burden while having greater behavioral freedom and environmental complexity. The welfare case for indoor enriched environments is strong — modern enrichment can meet behavioral needs while eliminating mortality risks that are substantial for outdoor cats. The wildlife welfare case for keeping cats indoors is overwhelming — billions of birds and mammals killed annually by a non-native predator represents massive welfare harm to wild animals. Both welfare considerations point toward enriched indoor or catio access as the welfare-optimal solution.