We know some cats who were formerly feral have a very hard time acclimating to life indoors. That's why so many shelters we know and respect have Barn Cat Programs.
But the infographic below is why we personally believe that if your cat is happy indoors, it's far safer and better for their health.
This illustration shows associative aging of an outdoor cat vs. an indoor cat, with the outer brown rings being the equivalent in human years.
According to the author of the Cat Owner's Manual (published by Quirk Books), the shortened life span of an outdoor cat becomes increasingly apparent after age 2.
Although we agree in principle with this concept, we do wonder what they based this data on...?