1999 (Charli XCX and Troye Sivan song) (English Wikipedia)

Brett, Mclaughlin; Noonie, Bao; Charlotte, Aitchison; Troye, Sivan; Oscar, Holter; Sivan, Charli XCX & Troye; XCX, Charli; Troye, Sivan (11 October 2018). "1999". Musicnotes.com.

nme.com (Global: 128^th place; English: 91^st place)

Krol, Charlotte (1 October 2018). "Charli XCX to drop new single '1999' with Troye Sivan on Friday". NME. Retrieved 2 October 2018.
"Vengaboys throw it back to the '90s with a cover of Charli XCX and Troye Sivan's '1999'". NME. 10 September 2021.

officialcharts.com (Global: 76^th place; English: 69^th place)

"Ariana Grande claims second week at Number 1 with huge streaming numbers". Official Charts Company. Retrieved 18 November 2018.
"Official Scottish Singles Sales Chart Top 100". Official Charts Company. Retrieved 24 November 2018.
"Official Singles Chart Top 100". Official Charts Company. Retrieved 1 December 2018.
"Vengaboys look back at their biggest hits: "People loved or hated us"". www.officialcharts.com.

out.com (Global: 1,576^th place; English: 935^th place)

Garner, Glenn (2 October 2018). "Troye Sivan and Charli XCX Announce Collab in 'Matrix' Cosplay, Internet is Shook". Out. Retrieved 3 October 2018.

pitchfork.com (Global: 159^th place; English: 112^th place)

Geffen, Sasha. "Charli XCX / Troye Sivan "1999"". Pitchfork. Retrieved 18 July 2019.
Kim, Michelle. "Charli XCX: Charli Album Review". Pitchfork. Retrieved 13 September 2019.
Sodomsky, Sam (1 October 2018). "Charli XCX and Troye Sivan Announce New Song '1999'". Pitchfork. Retrieved 2 October 2018.
Geffen, Sasha (5 October 2018). "'1999' by Charli XCX / Troye Sivan Review". Pitchfork. Retrieved 16 October 2018.
Bloom, Madison; Strauss, Matthew (11 October 2018). "Watch Charli XCX and Troye Sivan Dress Like Eminem, Britney Spears, Steve Jobs, More in Amazing New Video for '1999'". Pitchfork. Retrieved 14 October 2018.

popjustice.com (Global: low place; English: 7,564^th place)

"Charli XCX's new video uses deepfake technology because of course it does". Popjustice. 12 October 2018. Retrieved 4 November 2020.

radioscope.co.nz (Global: low place; English: low place)

"New Zealand single certifications – Charli XCX And Troye Sivan – 1999". Radioscope. Retrieved 11 March 2025. Type 1999 in the "Search:" field.

slagerlistak.hu (Global: 1,726^th place; English: 1,006^th place)

slagerlistak.hu

"Archívum – Slágerlisták – MAHASZ" (in Hungarian). Dance Top 40 lista. Magyar Hanglemezkiadók Szövetsége. Retrieved 1 February 2019.
"Archívum – Slágerlisták – MAHASZ" (in Hungarian). Single (track) Top 40 lista. Magyar Hanglemezkiadók Szövetsége. Retrieved 18 October 2018.

zene.slagerlistak.hu

"Dance Top 100 - 2019". Mahasz. Retrieved 30 March 2020.

spotify.com (Global: 478^th place; English: 362^nd place)

open.spotify.com

"1999 (Alphalove Remix)". 9 November 2018 – via open.spotify.com.

sverigetopplistan.se (Global: 1,733^rd place; English: 1,067^th place)

"Veckolista Heatseeker – Vecka 41, 12 oktober 2018". Sverigetopplistan. Retrieved 13 October 2018.

thefader.com (Global: 917^th place; English: 557^th place)

D'Souza, Shaad (9 June 2019). "Watch Charli XCX and Troye Sivan debut new song "2099"". The Fader. Retrieved 17 September 2019.
Hussein, Wandera (1 October 2018). "Charli XCX and Troye Sivan announce new duet '1999'". The Fader. Retrieved 2 October 2018.
Hussein, Wandera (11 October 2018). "Charli XCX and Troye Sivan drop '1999' music video". The Fader. Retrieved 12 October 2018.

tidal.com (Global: 2,704^th place; English: 1,683^rd place)

listen.tidal.com

"1999 (Stripped)– Single by Charli XCX & Troye Sivan on Tripped". Tidal. 5 October 2018. Retrieved 9 June 2020.
"1999 (The Knocks Remix) – Single by Charli XCX & Troye Sivan on Tidal". Tidal. 5 October 2018. Retrieved 19 November 2018.

top40.nl (Global: 1,183^rd place; English: 838^th place)

"Tipparade week 47 van 2018". Top40.nl (in Dutch). Retrieved 26 November 2018.

tophit.com (Global: 6,935^th place; English: 4,122^nd place)

"Top Radio Hits Moldova Weekly Chart: Dec 12, 2024". TopHit. Retrieved 13 December 2024.

tunebat.com (Global: low place; English: low place)

"Charli XCX, Troye Sivan, 1999". Archived from the original on 1 September 2020. Retrieved 9 December 2021.

ubisoft.com (Global: 6,112^th place; English: 4,900^th place)

ubisoft.com

"Changes to Just Dance Unlimited". Ubisoft Help. Retrieved 27 January 2025.

news.ubisoft.com

"Just Dance Unlimited Updates". Ubisoft News. 2 April 2024. Retrieved 22 January 2025.

ultratop.be (Global: 257^th place; English: 219^th place)

"Charli XCX & Troye Sivan – 1999" (in Dutch). Ultratip. Retrieved 24 November 2018.
"Charli XCX & Troye Sivan – 1999" (in French). Ultratip. Retrieved 24 November 2018.

web.archive.org (Global: 1^st place; English: 1^st place)

"Charli XCX, Troye Sivan, 1999". Archived from the original on 1 September 2020. Retrieved 9 December 2021.
"1999 – Single by Charli XCX & Troye Sivan on Apple Music". iTunes Store. Archived from the original on 20 November 2018. Retrieved 19 November 2018.
"Official IFPI Charts – Digital Singles Chart (International) – Week: 43/2018". IFPI Greece. Archived from the original on 29 October 2018. Retrieved 5 November 2018.
"מדיה פורסט – לדעת שאתה באוויר week 47". Mediaforest.biz. Archived from the original on 10 September 2017. Retrieved 26 November 2018.
"1999 (Easyfun Remix) – Single by Charli XCX & Troye Sivan on Apple Music". iTunes Store. Archived from the original on 26 November 2018. Retrieved 19 November 2018.
"1999 (Michael Calfan Remix) – Single by Charli XCX & Troye Sivan on Apple Music". iTunes Store. Archived from the original on 26 November 2018. Retrieved 26 November 2018.
"Top 40/M Future Releases". All Access Media Group. Archived from the original on 20 November 2018. Retrieved 20 November 2018.

youtube.com (Global: 9^th place; English: 13^th place)

"Does Charli XCX Know Her Lyrics?". YouTube. 4 December 2024.
Just Dance (30 January 2020). Just Dance Unlimited: 1999 by Charli XCX & Troye Sivan | Official Track Gameplay [US] (Trailer). Retrieved 6 February 2020 – via YouTube.
"Does Charli XCX Know Her Lyrics?". Variety. 4 December 2024. Retrieved 5 December 2024 – via YouTube.

1999 (Charli XCX and Troye Sivan song) (English Wikipedia)

abitofpopmusic.com (Global: low place; English: low place)

allaccess.com (Global: 2,243rd place; English: 1,219th place)

aotearoamusiccharts.co.nz (Global: low place; English: low place)

apple.com (Global: 67th place; English: 64th place)

itunes.apple.com

music.apple.com

ariacharts.com.au (Global: 3,620th place; English: 2,214th place)

australian-charts.com (Global: 596th place; English: 389th place)

billboard.com (Global: 19th place; English: 18th place)

bpi.co.uk (Global: 292nd place; English: 226th place)

dropbox.com (Global: 1,209th place; English: 689th place)

gaonchart.co.kr (Global: 573rd place; English: 466th place)

ifpi.dk (Global: 2,432nd place; English: 1,597th place)

ifpi.gr (Global: 6,489th place; English: 3,773rd place)

irma.ie (Global: 5,582nd place; English: 3,210th place)

mediaforest.biz (Global: low place; English: low place)

musicnotes.com (Global: 5,059th place; English: 2,895th place)

nme.com (Global: 128th place; English: 91st place)

officialcharts.com (Global: 76th place; English: 69th place)

out.com (Global: 1,576th place; English: 935th place)

pitchfork.com (Global: 159th place; English: 112th place)

popjustice.com (Global: low place; English: 7,564th place)

radioscope.co.nz (Global: low place; English: low place)

slagerlistak.hu (Global: 1,726th place; English: 1,006th place)

slagerlistak.hu

zene.slagerlistak.hu

spotify.com (Global: 478th place; English: 362nd place)

open.spotify.com

sverigetopplistan.se (Global: 1,733rd place; English: 1,067th place)

thefader.com (Global: 917th place; English: 557th place)

tidal.com (Global: 2,704th place; English: 1,683rd place)

listen.tidal.com

top40.nl (Global: 1,183rd place; English: 838th place)

tophit.com (Global: 6,935th place; English: 4,122nd place)

tunebat.com (Global: low place; English: low place)

ubisoft.com (Global: 6,112th place; English: 4,900th place)

ubisoft.com

news.ubisoft.com

ultratop.be (Global: 257th place; English: 219th place)

web.archive.org (Global: 1st place; English: 1st place)

youtube.com (Global: 9th place; English: 13th place)

allaccess.com (Global: 2,243^rd place; English: 1,219^th place)

apple.com (Global: 67^th place; English: 64^th place)

ariacharts.com.au (Global: 3,620^th place; English: 2,214^th place)

australian-charts.com (Global: 596^th place; English: 389^th place)

billboard.com (Global: 19^th place; English: 18^th place)

bpi.co.uk (Global: 292^nd place; English: 226^th place)

dropbox.com (Global: 1,209^th place; English: 689^th place)

gaonchart.co.kr (Global: 573^rd place; English: 466^th place)

ifpi.dk (Global: 2,432^nd place; English: 1,597^th place)

ifpi.gr (Global: 6,489^th place; English: 3,773^rd place)

irma.ie (Global: 5,582^nd place; English: 3,210^th place)

musicnotes.com (Global: 5,059^th place; English: 2,895^th place)

nme.com (Global: 128^th place; English: 91^st place)

officialcharts.com (Global: 76^th place; English: 69^th place)

out.com (Global: 1,576^th place; English: 935^th place)

pitchfork.com (Global: 159^th place; English: 112^th place)

popjustice.com (Global: low place; English: 7,564^th place)

slagerlistak.hu (Global: 1,726^th place; English: 1,006^th place)

spotify.com (Global: 478^th place; English: 362^nd place)

sverigetopplistan.se (Global: 1,733^rd place; English: 1,067^th place)

thefader.com (Global: 917^th place; English: 557^th place)

tidal.com (Global: 2,704^th place; English: 1,683^rd place)

top40.nl (Global: 1,183^rd place; English: 838^th place)

tophit.com (Global: 6,935^th place; English: 4,122^nd place)

ubisoft.com (Global: 6,112^th place; English: 4,900^th place)

ultratop.be (Global: 257^th place; English: 219^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

youtube.com (Global: 9^th place; English: 13^th place)