It is the 27th countdown of the most popular songs of the year, as chosen by listeners of Australian radio station triple j.
A record-breaking number of votes (3.21 million) were cast by listeners choosing their top ten songs of 2019.
[1] American singer-songwriter Billie Eilish was voted into first place with her single "Bad Guy".
In doing so, she became the first female solo artist, and the youngest act (at 18 years old) to top a Hottest 100.
[5] Bookmaker Beteasy and social media analysis project 100 Warm Tunas placed "Dance Monkey" by Australian musician Tones and I, "bad guy" by American singer-songwriter Billie Eilish, and American rapper Denzel Curry's cover of "Bulls on Parade" for Like a Version as the three songs most likely to take out first place.