Whether cats should have outdoor access is one of the most contested welfare debates in companion animal science. Evidence suggests outdoor access provides welfare benefits but involves risks that responsible owners must manage.
Cat outdoor access welfare involves genuine trade-offs that resist simple resolution. Outdoor access provides enrichment, exercise and natural behaviour expression that indoor environments struggle to fully replicate. Outdoor risks (roads, disease, predation, weather) are real and reduce lifespan. Wildlife impact - particularly on birds - is a genuine concern that intersects welfare with conservation. The welfare-appropriate response is not a blanket rule but contextual management: ensuring cats are neutered, vaccinated, microchipped and returned home at night; providing enriched indoor environments that reduce roaming motivation; and considering catios where road risk is high.