Host countries (almost) always have a home field advantage

In addition to friendly crowds, host countries can also send more athletes to the games due to lower qualification standards. Starting in 2016, host countries can also propose new events for their game.

The 1980 Moscow Games and 1984 Los Angeles games have been excluded since the United States and the Soviet Union boycotted each other's games. Paris data accurate as of August 8th.
Chart: Danielle CarrickSource: Olympics.comGet the dataCreated with Datawrapper