Special Report

America’s 50 Most Popular Dog Breeds

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35. Chihuahuas
> 2017 rank: 32 out of 192
> 2007 rank: 12 out of 136

Originating in the Mexican state of Chihuahua, these dogs are intelligent, loyal, and loving – but they are distrustful of strangers. Because they were bred for a warm climate, they don’t do well in the cold. Their tiny size makes them easy to carry around.

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34. Vizslas
> 2017 rank: 30 out of 192
> 2007 rank: 42 out of 136

Also referred to as the Hungarian Pointer, the Vizsla may date back over 1,000 years. There are depictions of the Vizsla being used as hunting dogs from the early 10th century, when Magyar tribes invaded Central Europe.

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33. Border Collies
> 2017 rank: 38 out of 192
> 2007 rank: 54 out of 136

The border collie is widely considered to be the most intelligent dog breed. In fact, it was bred for its intelligence and obedience and has tremendous herding abilities. It is trainable and has protective instincts. However, it also needs more physical exercise and mental stimulation than many other breeds.

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32. Mastiffs
> 2017 rank: 28 out of 192
> 2007 rank: 28 out of 136

Mastiffs weigh up to 160 pounds and are a massive breed developed to guard livestock from predators such as wolves. There are also accounts of them being used for entertainment as fighting dogs in ancient Roman arenas, where they were pitted against lions and tigers. Despite their fierce history, mastiffs are good-natured dogs and surprisingly docile.

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31. Pugs
> 2017 rank: 31 out of 192
> 2007 rank: 14 out of 136

Pugs have a lot of personality in a small package, and they like attention and affection. They are intuitive dogs and sensitive to the moods of their owners, which makes them good companions. They can be strong-willed but are not aggressive. They like to play with children but some supervision may be needed.