Ranking all 32 NFL fan bases
Which football teams have the most fans?
National Football League - Wikipedia
What are the countries with biggest football fan base
The Most Popular Sport in Every Country
NFL Outside the US: Which Country Watches Most?
NFL Outside the US: Which Country Watches Most?
Which country outside of North America is the NFL most popular in
These are the countries with the most NFL fans outside America
Facebook map shows how USA is divided over the NFL - an enclave of
Every Country's Favourite Foreign Football Team