David McCandless meticulously charted dog breeds by six scores: intelligence, costs, longevity, grooming, ailments, and appetite. The big loser: bulldogs.
Via his book Knowledge Is Beautiful:
We examined data on intelligence, longevity, genetic ailments and other markers to create a "data-score" and then plotted it against public popularity of various breeds, according to the American Kennel Club.
There is a counter-argument, though:
And even if they're dumb, they're pretty cute:
• Best in Show: The Ultimate Data Dog (Information is Beautiful)