horse population in us
However, in North America, horse numbers actually increased during the same period, rising from 10.1 million to 10.5 million. The United States looks to have the worldâs largest equine population as well, contributing 10.15 million to North Americaâs total headcount. If the human population in the U.S. is around 313.9 million, that means thereâs around 30 people for each horse. The next largest population is in China, with 6.77 million.