This is a list of channels that have once lost over 25,000 subscribers or more in a day.
Note: This list also does not include audits and subscriber purges, due to the fact that they were automatically done by YouTube by either moving subscribers or terminating old accounts.
| Date | Channel | Subscribers Lost | Reason |
|---|---|---|---|
| May 11, 2019 | James Charles | 1,261,460 | Hit piece by Tati |
| May 12, 2019 | James Charles | 772,373 | Hit piece by Tati |
| May 10, 2019 | James Charles | 538,883 | Hit piece by Tati |
| December 6, 2019 | Badabun | ~500,000 | A video in which 5 former employees exposed the company and CEO for workplace harassment and exploitation, sexual harassment, and homophobia |
| December 7, 2019 | Badabun | ~400,000 | A video in which 5 former employees exposed the company and CEO for workplace harassment and exploitation, sexual harassment, and homophobia |
| May 13, 2019 | James Charles | 393,421 | Hit piece by Tati |
| December 8, 2019 | Badabun | ~200,000 | A video in which 5 former employees exposed the company and CEO for workplace harassment and exploitation, sexual harassment, and homophobia |
| January 29, 2023 | HYBE LABELS | ~200,000 | Controversy over HYBE "filling BTS's void" with the group NewJeans |
| August 29, 2019 | Vivi Casaman (Sergio Ramirez) | 173,152 | Hacked |
| May 19, 2019 | Tati | 169,320 | James Charles' response to her hit piece |
| August 20, 2018 | Laura Lee | 166,234 | Controversy with Jeffree Star, racist tweets |
| September 1, 2019 | Vivi Casaman (Sergio Ramirez) | 157,797 | Hacked |
| February 1, 2016 | REACT (FBE) | 142,610 | React trademark controversy |
| May 14, 2019 | James Charles | 136,999 | Hit piece by Tati |
| November 7, 2018 | Kenia Os | 129,595 | Hit piece by JukiLop |
| May 7, 2020 | 갑수목장gabsupasture | ~127,000 | Accusations of animal abuse |
| August 16, 2017 | Tessa Brooks | 125,800 | Hacked |
| January 31, 2016 | REACT (FBE) | 115,090 | React trademark controversy |
| January 5, 2021 | CallMeCarson | ~110,000 | Allegations of grooming |
| August 22, 2018 | Manny Mua | 108,687 | Controversy with JeffreeStar |
| May 18, 2019 | Tati | 108,590 | James Charles's response to her hit piece |
| July 29, 2019 | SMTOWN | 108,246 | Video in which NCT Dream member Renjun was left in a train while the other members were put into a car |
| August 31, 2017 | ヒカル Hikaru | 102,860 | Valu scandal |
| May 9, 2019 | ProJared | 102,702 | Adultery and Grooming Allegations (later proven false) |
| January 14, 2021 | Piuzinho | ~100,000 | Hacked |
| April 2, 2021 | James Charles | ~100,000 | Allegations of grooming |
| July 27, 2020 | TheEllenShow | ~100,000 | Allegations of abuse towards new employees |
| June 19, 2020 | Shane | ~100,000 | Controversy with Jeffree Star |
| June 18, 2020 | Jeffree Star | ~100,000 | Controversy with Shane Dawson |
| December 9, 2019 | Badabun | ~100,000 | A video in which 5 former employees exposed the company and CEO for workplace harassment and exploitation, sexual harassment, and homophobia |
| October 11, 2021 | Baim Paula | ~100,000 | Controversy over publicly scolding an elderly man |
| October 12, 2021 | Baim Paula | ~100,000 | Controversy over publicly scolding an elderly man |
| October 13, 2021 | Baim Paula | ~100,000 | Controversy over publicly scolding an elderly man |
| January 30, 2023 | HYBE LABELS | ~100,000 | Controversy over HYBE "filling BTS's void" with the group NewJeans |
| January 31, 2023 | HYBE LABELS | ~100,000 | Controversy over HYBE "filling BTS's void" with the group NewJeans |
| February 2, 2016 | REACT (FBE) | 95,090 | React trademark controversy |
| August 28, 2019 | Vivi Casaman (Sergio Ramirez) | 90,037 | Hacked |
| August 23, 2018 | Tfue | 88,140 | Hacked |
| May 8, 2020 | 갑수목장gabsupasture | ~87,000 | Accusations of animal abuse |
| August 19, 2017 | Jake Paul | 85,060 | False allegations against FaZe Banks |
| September 2, 2019 | Vivi Casaman (Sergio Ramirez) | 84,911 | Hacked |
| May 20, 2019 | Tati | 83,797 | James Charles's response to her hit piece |
| August 23, 2018 | Manny Mua | 81,088 | Controversy with JeffreeStar |
| August 19, 2018 | Laura Lee | 79,064 | Controversy with JeffreeStar, racist tweets |
| August 31, 2019 | Vivi Casaman (Sergio Ramirez) | 77,977 | Hacked |
| August 30, 2019 | Vivi Casaman (Sergio Ramirez) | 71,528 | Hacked |
| August 21, 2018 | Laura Lee | 70,899 | Controversy with JeffreeStar, racist tweets |
| May 22, 2022 | McCreamy | ~70,000 | Hacked |
| February 28, 2024 | Wilbur Soot | ~70,000 | Physically and emotionally abusing his ex. |
| August 17, 2017 | Tessa Brooks | 68,210 | Hacked |
| August 22, 2018 | Laura Lee | 62,034 | Controversy with JeffreeStar, racist tweets |
| February 1, 2016 | People Vs Food | 60,170 | React trademark controversy |
| January 6, 2021 | CallMeCarson | ~60,000 | Allegations of grooming |
| January 5, 2021 | CallMeCarsonLIVE | ~60,000 | Allegations of grooming |
| February 16, 2023 | ItsFunneh | ~60,000 | Hacked |
| April 19, 2023 | 웅이woongei | ~60,000 | Assaulting his ex-girlfriend |
| July 28, 2019 | SMTOWN | 57,929 | Video in which NCT Dream member Renjun was left in a train while the other members were put into a car |
| August 15, 2017 | Tessa Brooks | 53,830 | Hacked |
| May 10, 2019 | ProJared | 52,897 | Adultery and Grooming Allegations (later proven false) |
| July 26, 2018 | 로이조 TV | 50,368 | Giveaway scams |
| January 5, 2020 | DanPlan | ~50,000 | Drama and tension between former friends of Dan's, and many animators of his leaving him. |
| August 4, 2020 | 문복희 Eat with Boki | ~50,000 | Controversy over "backdoor" advertising |
| November 8, 2020 | Fox News | ~50,000 | Controversy relating to the 2020 presidential election. |
| April 11, 2021 | 최고다윽박EUGBAK | ~50,000 | Sexual harassment of female streamer on livestream. |
| April 19, 2021 | EDP445 | ~50,000 | Video released of him attempting to meet up with a 13 year-old for sexual purposes, along with other child grooming allegations |
| April 21, 2021 | EDP445 | ~50,000 | Video released of him attempting to meet up with a 13 year-old for sexual purposes, along with other child grooming allegations |
| April 18, 2023 | 웅이woongei | ~50,000 | Assaulting his ex-girlfriend |
| November 24, 2023 | Glarses | ~50,000 | Asking people to unsubscribe after his 1 million gold play button arrived dented. |
| July 27, 2018 | 로이조 TV | 49,057 | Giveaway scams |
| September 29, 2020 | HoloLive Moments | ~49,000 | Supporting China in a scandal involving the status of Taiwan by purging all of the channel's videos |
| September 4, 2017 | ヒカル Hikaru | 46,050 | Valu scandal |
| September 19, 2018 | JukiLop | 44,530 | Unknown |
| May 18, 2019 | jeffreestar | 44,341 | James Charles's response to drama |
| July 25, 2018 | 로이조 TV | 43,502 | Giveaway scams |
| August 23, 2018 | Laura Lee | 43,001 | Controversy with JeffreeStar, racist tweets |
| February 2, 2016 | People Vs Food | 42,291 | React trademark controversy |
| June 27, 2016 | DramaAlert | 42,079 | Drama with LeafyIsHere and GradeAUnderA |
| July 1, 2020 | Tati | ~40,000 | Controversy with JeffreeStar and Shane Dawson |
| July 5, 2020 | ZeRo | ~40,000 | Grooming Allegations (legitimacy has been severely questioned) |
| December 31, 2020 | Jesser | ~40,000 | Controversy over Mopi leaving 2Hype |
| January 6, 2021 | CallMeCarsonLIVE | ~40,000 | Allegations of grooming |
| April 10, 2021 | 최고다윽박EUGBAK | ~40,000 | Sexual harassment of female streamer on livestream. |
| April 20, 2021 | EDP445 | ~40,000 | Video released of him attempting to meet up with a 13 year-old for sexual purposes, along with other child grooming allegations |
| November 25, 2023 | Glarses | ~40,000 | Asking people to unsubscribe after his 1 million gold play button arrived dented. |
| February 27, 2024 | Wilbur Soot | ~40,000 | Physically and emotionally abusing his ex. |
| April 19, 2024 | Watcher | ~40,000 | Video talking about making their new videos behind a paywall on their new streaming service. |
| May 9, 2019 | ProJared Plays! | 39,710 | Adultery and Grooming Allegations (later proven false) |
| February 3, 2016 | REACT (FBE) | 39,072 | React trademark controversy |
| September 2, 2017 | ヒカル Hikaru | 38,020 | Valu scandal |
| May 4, 2017 | SourceFedNERD | 36,110 | New management by NowThis |
| September 1, 2017 | ヒカル Hikaru | 35,390 | Valu scandal |
| June 25, 2016 | DramaAlert | 33,425 | Drama with LeafyIsHere and GradeAUnderA |
| May 27, 2019 | KSI | 33,000 | Hit piece by Deji |
| February 4, 2016 | REACT (FBE) | 32,997 | React trademark controversy |
| August 24, 2018 | Manny Mua | 32,575 | Controversy with Jeffree Star |
| January 31, 2016 | People Vs Food | 32,527 | React trademark controversy |
| May 21, 2019 | Tati | 31,522 | James Charles's response to her hit piece |
| November 17, 2019 | Gabbie Hanna | ~30,000 | Drama |
| May 20, 2020 | DramaAlert | ~30,000 | Controversy with H3h3Productions |
| June 30, 2020 | Tati | ~30,000 | Controversy with Jeffree Star and Shane Dawson |
| August 5, 2020 | 문복희 Eat with Boki | ~30,000 | Controversy over "backdoor" advertising |
| August 6, 2020 | 문복희 Eat with Boki | ~30,000 | Controversy over "backdoor" advertising |
| August 6, 2020 | tzuyang쯔양 | ~30,000 | Controversy over "backdoor" advertising |
| December 31, 2020 | 2HYPE | ~30,000 | Drama over an ex-member being mistreated |
| January 7, 2021 | CallMeCarson | ~30,000 | Allegations of grooming |
| January 9, 2021 | 핫도그TV | ~30,000 | Admitted to using "backdoor" advertising |
| June 28, 2020 | ShaneGlossin | ~30,000 | Controversy surrounding racist jokes in his old videos |
| July 1, 2020 | ShaneGlossin | ~30,000 | Controversy surrounding racist jokes in his old videos |
| April 22, 2021 | EDP445 | ~30,000 | Video released of him attempting to meet up with a 13 year-old for sexual purposes, along with other child grooming allegations |
| February 23, 2023 | Kwite | ~30,000 | Allegations of sexual assault and homophobia (later proven false) |
| April 26, 2023 | 主役は我々だ! | ~30,000 | Hacked |
| May 29, 2023 | Acai | ~30,000 | Hacked |
| April 20, 2024 | Watcher | ~30,000 | Video talking about making their new videos behind a paywall on their new streaming service. |
| May 21, 2019 | Tfue | 29,906 | Suing FaZe Clan |
| October 4, 2017 | RiceGum | 29,640 | iDubbbzTV's Content Cop |
| November 14, 2017 | Jake Paul | 29,580 | Hit piece by RiceGum |
| September 3, 2019 | Vivi Casaman | 29,221 | Hacked |
| January 5, 2019 | Deji | 29,109 | Drama with KSI |
| May 26, 2019 | KSI | 28,680 | Hit piece by Deji |
| May 25, 2019 | Tati | 27,870 | More drama adding onto James Charles' response to her hit video |
| June 3, 2019 | Deji | 27,820 | KSI's response to Deji's hit piece |
| September 3, 2017 | ヒカル Hikaru | 27,090 | Valu scandal |
| December 3, 2023 | James Somerton | ~26,000 | Exposed for plagiarism in his videos |
| August 30, 2017 | ヒカル Hikaru | 25,870 | Valu scandal |
| June 4, 2019 | Deji | 25,360 | KSI's response to Deji's hit piece |
| September 9, 2016 | MixReynold | 25,081 | Accused Felipe Neto and His Brother Luccas Neto Network of "Paying him less than other YouTubers" which was eventually proven false |
Notes
- DalasReview, Tfue, 턱형 (GOD-TUK), and JukiLop have possibly experienced negative days large enough to be on this list; however, their amounts cannot be gathered because of hidden subscriber counts. (side note Raffy Tulfo in action lost 200,000, Subs' in a day not sure why)