According to The Boston Globe, the most popular cheese in the world is cheddar.
The biggest cheese? Cheddar: What we know about the world’s most analyzed cheese The Boston Globe. Michael H. Tunick, February 23, 2014. Tunick writes:
“OF THE MORE than 2,000 varieties of cheese made around the world, one rules supreme: cheddar. It’s more than just a New England farmstead staple; it’s the most popular variety of cheese worldwide, and also the most studied—more than 1,400 scientific publications mention it in their titles. If any cheese holds a key place in the academic world, it’s cheddar.”