This article presents the national team appearances in the Rugby World Cup.
The article tracks the appearances, results, and debuts for all national teams that have participated in at least one Rugby World Cup.
The worst result was by Wales in 1991 with only one win in pool play, although they did not host the final.
The worst result by a country who hosted the final is held by England, being eliminated in the group stage in 2015.
This is a summary of the total number of participating teams by confederation in each tournament.