AGONASPORT SALES: Statistics from TV news check show that NFL viewership during the 2018/19 season averaged 15.8 million per game across all networks, a rise of 5%. The popularity of different sports varies from country to country. For a sport to be considered significant, several factors have to be considered. On top of the list are the players and loyal fans; without them, a sport cannot be celebrated. NFL is popular in the USA, and this is attributed to the following factors.