It is the 23rd countdown of the most popular songs of the year, as chosen by the listeners of Australian radio station Triple J.

[1] Voters nominated ten songs that were released between December 2014 and November 2015 and submitted them through the Triple J website.

[2] Despite a betting agency's campaign aimed at getting Justin Bieber featured in the list, similar to 2014's #Tay4Hottest100,[3] Triple J announced that no songs have been disqualified from the 2015 list.

[4] A poll of Triple J listeners' favourite albums of the year was held in December 2015.

[5] Melbourne singer-songwriter Courtney Barnett won the J Award for her album.