The debate over indoor versus outdoor access for cats involves real welfare tradeoffs — outdoor cats experience greater behavioral freedom but face serious risks, while indoor cats may face boredom and frustration.
Both fully indoor and fully outdoor lifestyles have genuine welfare costs and benefits. Cats are motivated hunters and explorers — chronic confinement without adequate stimulation causes frustration, inactivity, and stress-related disorders. But outdoor environments expose cats to lethal risks and cause significant harm to wildlife. The welfare optimum for most cats lies in enriched indoor environments with controlled outdoor exposure — structured access that meets behavioral needs without the risks of free-roaming.