The ARIA Singles Chart ranks the best-performing singles in Australia. Its data, published by the Australian Recording Industry Association, is based collectively on the weekly physical and digital sales and streams of singles. In 2019, 10 songs reached number one, with "Dance Monkey" by Tones and I the longest-running. Six acts, Swae Lee, Jonas Brothers, Billie Eilish, Lil Nas X, Shawn Mendes and Tones and I, reached the top spot for the first time. With 10 weeks atop the chart, Tones and I's song "Dance Monkey" broke the record for the most weeks at number one by an Australian artist, which was previously held by Justice Crew's 2014 song "Que Sera". In November, the song reached 16 weeks at number one, breaking the record for most weeks at number one in Australian chart history, previous held by Ed Sheeran's "Shape of You" (2017). It spent 21 weeks atop the chart.

Chart history +KeyIndicates best-performing single of 2019

Issue date Song Artist(s) 7 January "Sunflower" Post Malone and Swae Lee 14 January 21 January 28 January "7 Rings" Ariana Grande 4 February 11 February 18 February 25 February 4 March "Shallow" Lady Gaga and Bradley Cooper 11 March 18 March "Sucker" Jonas Brothers 25 March 1 April 8 April "Bad Guy" Billie Eilish 15 April 22 April "Old Town Road" Lil Nas X 29 April 6 May 13 May 20 May "I Don't Care" Ed Sheeran and Justin Bieber 27 May "Old Town Road" Lil Nas X featuring Billy Ray Cyrus 3 June 10 June 17 June 24 June 1 July 8 July 15 July 22 July 29 July "Señorita" Shawn Mendes and Camila Cabello 5 August "Dance Monkey" Tones and I 12 August 19 August 26 August 2 September 9 September 16 September 23 September 30 September 7 October 14 October 21 October 28 October 4 November 11 November 18 November 25 November 2 December 9 December 16 December 23 December 30 December "All I Want for Christmas Is You" Mariah Carey

Number-one artists Position Artist Weeks at No. 1 1 Tones and I 21 2 Lil Nas X 13 3 Ariana Grande 5 4 Post Malone 3 4 Swae Lee 3 4 Jonas Brothers 3 5 Lady Gaga 2 5 Bradley Cooper 2 5 Billie Eilish 2 6 Ed Sheeran 1 6 Justin Bieber 1 6 Shawn Mendes 1 6 Camila Cabello 1 6 Mariah Carey 1

See also 2019 in music List of number-one albums of 2019 (Australia) List of top 10 singles in 2019 (Australia)

References