List of countries in the Wonderful Song Contest

51 countries have participated in the Wonderful Song Contest since it started in 2017. The contest, organised by the Wonderful Broadcasting Union (WBU), is held monthly between members of the Union. Broadcasters from different countries submit songs to the event, and cast votes to determine the most popular in the competition.

Participants
{{legend|#DCDCDC |Inactive}}
 * Table key