Which country has the largest population of pigs?

As with people, China has more pigs than any other nation in the world, around 460 million, which is one Chinese pig for every 3 Chinese people. In fact, China has over 7 times more pigs than the next most pig-populous country: the United States. Sporcle.com has a great quiz on this topic if you want to know more about pig populations; see the link below.