National Football League is one of the most popular and major football league in United States of America. It comprises of a total of 32 teams and has a great fan following. Since football is the most popular sports in the world, it is watched by many people. There are numerous people who even travel to countries to watch the live match of their favourite football club or team.
In order to accommodate such a high number of people, there are a number of high tech stadiums in which the NFL's matches are organized. Most of these stadiums are integrated with latest technologies in order to support various features. Most of the NFL stadiums are located in USA except the two exceptions - The Wembley Stadium of UK and Rogers Centre Stadium of Toronto, Canada.
Here is the info graphic that presents the list of all the NFL stadiums with their seating capacity and the year in which they started their operations for the first time. Most of these stadiums are used for other events as well like concerts etc. and for such events their seating capacity can be expanded.