Oricon puts out Japanese music charts, similar to the Billboard charts in the US. The name "Oricon" is derived from the English words "original confidence".
Oricon maintains several ranking lists and publishes them on its website. While paying customers have access to the full lists, a slimmed down version is available for free (the Weekly Top 50 for singles and albums).
A typical Oricon week
Almost all Japanese singles or albums are released on Wednesdays, and there is a reason behind this. I'm going to use KARA's Mister as an example. The single was released on August 11th 2010, but it actually hit the shelves on August 10th. The Oricon data released on August 11 is actually a reflection of the sales of the single from Tuesday, August 10. Likewise, the Oricon data released on Thursday, August 12th, reflects Wednesday's sale. The typical Oricon week for a new release looks like this: Tuesday, Wednesday, Thursday, Friday, Saturday, and Sunday, then the sales from these six days are compiled into the weekly chart. For old releases (read: after first week of release), the weekly chart consists of sales from all seven days of the week. In order to achieve the highest sale possible on the weekly chart, artists usually release their work on Wednesdays.
When is the Oricon chart usually updated?
The daily charts are usually updated around 6PM JST, and the weekly charts around 5PM on every Tuesday (TOP 100) and Wednesday (TOP 200/300).
Regarding the weekly "add-ons/weekend boost" in sales:
At the end of the week, Oricon will put together the data from the daily rankings PLUS additional reported sales from retailers that only send in their data once a week. This is why there is usually a small boost in the weekly charts.
About Oricon only counts 30% of CDs sold at non-Oricon vendors:
Starting September 1st, 2009, Oricon implemented a new rule which only accounts 30% of a single/album's sales when a non-Oricon establishment sells that single/album. In other words, if for instance copies of a single/album were being sold at a meet and greet, a handshaking event, or during merchandise sales at the front of concert venues (where you are able to buy your concert goods like uchiwas and t-shirts before the concert doors open and such), than Oricon will only take into account 30% of the sales that the event "sold" during that time. If at the event 5,000 copies of a single/album were sold, only 30% of the 5,000 copies would be added onto the Oricon sales figure. In other words, only 1,500 copies of the 5,000 copies sold at the event would count towards the Oricon charts. Oricon began this rule because there was no official way for them to know the amount of copies actually sold at the time of the event. This rule is to prevent fraudulent record sales that record companies may give in order to boost their artist's sales figure.
The following list is only for Japanese singles/albums, Korean albums are not included.
1st WEEK — Singles
- BTS - Lights/Boy With Luv (2019) 620,670 copies
- BTS - FAKE LOVE/Airplane pt.2 (2018) 454,829 copies
- ENHYPEN - YOU (2023) 370,781 copies
- TXT - GOOD BOY GONE BAD (2022) 367,487 copies
- BTS - MIC Drop/DNA/Crystal Snow (2017) 365,096 copies
- TXT - CHIKAI (2024) 358,845 copies
- SEVENTEEN - Mai Ochiru Hanabira (Fallin' Flower) (2020) 334,417 copies
- SEVENTEEN - Hitori Janai (2021) 314,765 copies
- ENHYPEN - DIMENSION : Senkou (2022) 305,786 copies
- ZEROBASEONE - Yurayura -Unmei no Hana- (2024) 302,315 copies
- TWICE - Candy Pop (2018) 265,758 copies
- TWICE - Wake Me Up (2018) 262,568 copies
- TVXQ! - BREAK OUT! (2010) 255,917 copies
- SEVENTEEN - Happy Ending (2019) 254,877 copies
- TWICE - HAPPY HAPPY (2019) 247,032 copies
- BTS - Chi, Ase, Namida (2017) 238,795 copies
- TREASURE - Here I Stand (2023) 235,347 copies
- TVXQ! - Why? (Keep Your Head Down) (2011) 231,498 copies
- TWICE - Breakthrough (2019) 229,326 copies
- LE SSERAFIM - FEARLESS (2023) 222,286 copies
- IZ*ONE - Suki to Iwasetai (2019) 221,640 copies
- ATEEZ - NOT OKAY (2024) 216,682 copies
- IZ*ONE - Buenos Aires (2019) 215,760 copies
- RIIZE - Lucky (2024) 213,730 copies [NEW]
- IZ*ONE - Vampire (2019) 205,032 copies
- TWICE - One More Time (2017) 200,751 copies
- ENHYPEN - BORDER : Hakanai (2021) 200,424 copies
- XIA - XIAH (Intoxication) (2010) 195,336 copies
- TVXQ! - Toki wo Tomete (2010) 195,250 copies
- BOYNEXTDOOR - AND, (2024) 186,871 copies
- Kim Hyun Joong - HEAT (2012) 183,478 copies
- NCT DREAM - Best Friend Ever (2023) 182,806 copies
- TVXQ! - Stand by U (2009) 182,068 copies
- TWICE - Fanfare (2020) 176,725 copies
- SUPER JUNIOR - Opera (2012) 159,789 copies
- TVXQ! - Superstar (2011) 158,870 copies
- SEVENTEEN - Ai no Chikara (2021) 155,766
- TVXQ! - ANDROID (2012) 152,412 copies
- LE SSERAFIM - UNFORGIVEN (2023) 148,061 copies
- EXO - Love Me Right ~romantic universe~ (2015) 146,892 copies
- 2PM - Beautiful (2012) 141,236 copies
- TVXQ! - OCEAN (2013) 140,872 copies
- EXO - Coming Over (2016) 140,074 copies
- TVXQ! - STILL (2012) 138,664 copies
- 2PM - GIVE ME LOVE (2013) 137,755 copies
- TVXQ! - Catch Me -If you wanna- (2013) 137,028 copies
- TVXQ! - Sakura Michi (2015) 136,466 copies
- TWICE - Hare Hare (2023) 135,757 copies
- JYJ - WAKE ME TONIGHT (2015) 135,556 copies
- TVXQ! - SCREAM (2013) 134,304 copies
- NCT DREAM - Moonlight (2024) 133,435 copies
- 2PM - HIGHER (2015) 132,755 copies
- SHINee - Your Number (2015) 131,409 copies
- TVXQ! - FINE COLLECTION ~Begin Again~ (2017) 130,447 copies
- 2PM - Masquerade (2012) 130,242 copies
- TVXQ! - Winter ~ Winter Rose/Duet -winter ver.- ~ (2011) 129,525 copies
- BTS - RUN -Japanese Ver.- (2016) 124,501 copies
- TVXQ! - Reboot (2017) 123,659 copies
- KARA - Jet Coaster Love (2011) 122,820 copies
- Stray Kids - Scars/Thunderous -Japanese ver.- (2021) 119,963 copies
- TVXQ! - Sweat/Answer (2014) 119,301 copies
- Jang Keun Suk - Let me cry (2011) 119,149 copies
- MONSTA X - Alligator (2019) 117,730 copies
- TVXQ! - Very Merry Xmas (2013) 116,655 copies
- Kim Hyun Joong - TONIGHT (2013) 115,809 copies
- KARA - GO GO Summer! (2011) 113,873 copies
- TVXQ! - SUMMER ~Summer Dream/Song for you/Love in the Ice~ (2007) 112,771 copies
- SUPER JUNIOR - Sexy, Free & Single (2012) 109,821 copies
- 2PM - Winter Games (2013) 108,537 copies
- TVXQ! - Hide & Seek/Something (2014) 107,413 copies
- TVXQ! - Time Works Wonders (2014) 106,970 copies
- J-JUN - Defiance (2018) 106,308 copies
- SUPERNOVA - WINNER (2013) 102,436 copies
- Girls' Generation - MR. TAXI/Run Devil Run (2011) 100,461 copies
- Kim Hyun Joong - KISS KISS/Lucky Guy (2012) 100,110 copies
- TREASURE - KING KONG / REVERSE (2024) 99,324 copies
- 2PM - Promise (I'll be) (2016) 99,305 copies
- KARA - Speed Up/Girls Power (2012) 99,236 copies
- 2PM - Guilty Love (2015) 98,496 copies
- TVXQ! - Share The World/We Are! (2009) 98,033 copies
- SHINee - Dazzling Girl (2012) 97,111 copies
- BTS - I NEED U (Japanese Ver.) (2015) 95,668 copies
- 2PM - Midaretemina (2014) 95,097 copies
- BTOB - Dear Bride (2016) 94,230 copies
- Girls' Generation - PAPARAZZI (2012) 92,576 copies
- TXT - DRAMA (2020) 92,293 copies
- SHINee - Replay -Kimi wa Boku no everything- (2011) 91,419 copies
- TVXQ! - Jealous (2018) 91,056 copies
- TVXQ! - Bolero/Kiss The Baby Sky/Wasurenaide (2009) 89,071 copies
- SUPER JUNIOR - Mr. Simple (2011) 88,973 copies
- SHINee - Boys Meet U (2013) 88,737 copies
- SHINee - Winter Wonderland (2016) 88,048 copies
- MONSTA X - Shoot Out (2019) 87,812 copies
- TVXQ! - Road (2018) 86,458 copies
- CROSS GENE - Love & Peace/sHi-tai! (2015) 86,128 copies
- J-JUN - Sign/Your Love (2018) 84,826 copies
- TXT - MAGIC HOUR (2020) 84,322 copies
- TWICE - BETTER (2020) 83,764 copies
- Kim Hyun Joong - HOT SUN (2014) 83,307 copies
- KARA - Winter Magic (2011) 78,148 copies
1st WEEK — Albums
- BTS -BTS, THE BEST (2021) 782,369 copies
- BoA - VALENTI (2003) 615,218 copies
- BTS - MAP OF THE SOUL : 7 ~THE JOURNEY~ (2020) 564,298 copies
- SEVENTEEN - ALWAYS YOURS (2023) 511,887 copies
- Stray Kids - Social Path (feat. LiSA)/Super Bowl -Japanese ver.- (2023) 506,212 copies
- SEVENTEEN - DREAM (2022) 497,571 copies
- BoA - BEST OF SOUL (2005) 489,067 copies
- TVXQ! - BEST SELECTION 2010 (2010) 412,861 copies
- Stray Kids - THE SOUND (2023) 377,551 copies
- TXT - SWEET (2023) 302,930 copies
- BoA - LOVE & HONESTY (2004) 296,781 copies
- BTS - FACE YOURSELF (2018) 282,032 copies
- KARA - Super Girl (2011) 275,206 copies
- SEVENTEEN - 24H (2020) 247,278 copies
- TVXQ! - TIME (2013) 243,827 copies
- TVXQ! - WITH (2014) 233,216 copies
- ENHYPEN - Sadame (2022) 232,757 copies
- Girls' Generation - GIRLS' GENERATION (2011) 231,553 copies
- BoA - LISTEN TO MY HEART (2002) 230,590 copies
- TVXQ! - TREE (2014) 224,796 copies
- BoA - OUTGROW (2006) 221,549 copies
- TVXQ! - TONE (2011) 204,980 copies
- TWICE - #TWICE2 (2019) 200,846 copies
- BoA - MADE IN TWENTY (20) (2007) 182,009 copies
- TWICE - BDZ (2018) 181,069 copies
- TXT - Chaotic Wonderland (2021) 170,545 copies
- TVXQ! - The Secret Code (2009) 157,954 copies
- TVXQ! - XV (2019) 155,153 copies
- MISAMO - Masterpiece (2023) 154,880 copies
- JYJ - The... (2010) 139,708 copies
- IZ*ONE - Twelve (2020) 135,113 copies
- NCT 127 - LOVEHOLIC (2021) 133,606 copies
- Stray Kids - CIRCUS (2022) 131,921 copies
- TWICE - #TWICE (2017) 130,594 copies
- Girls' Generation - LOVE&PEACE (2013) 129,255 copies
- BIGBANG - MADE SERIES (2016) 128,230 copies
- SEVENTEEN - WE MAKE YOU (2018) 127,985 copies
- TVXQ! - TOMORROW (2018) 125,319 copies
- TWICE - &TWICE (2019) 124,197 copies
- BIGBANG - THE BEST OF BIGBANG 2006-2014 (2014) 120,442 copies
- Girls' Generation - GIRLS' GENERATION 2 ~Girls & Peace~ (2012) 116,963 copies
- TWICE - Celebrate (2022) 114,537 copies
- BoA - THE FACE (2008) 110,653 copies
- KARA - Girl's Talk (2010) 107,403 copies
- TWICE - DIVE (2024) 104,051 copies
- SUPER JUNIOR - Hero (2013) 102,224 copies
- BIGBANG - MADE (2017) 101,364 copies
- IVE - ALIVE (2024) 99,221 copies [NEW]
- 2PM - GALAXY OF 2PM (2016) 95,871 copies
- IVE - WAVE (2023) 92,165 copies
- SHINee - THE BEST FROM NOW ON (2018) 89,489 copies
- EXO - COUNTDOWN (2018) 89,425 copies
- Jang Keun Suk - Just Crazy (2012) 88,009 copies
- TXT - STILL DREAMING (2021) 86,892 copies
- TVXQ! - TOHOSHINKI SINGLE B-SIDE COLLECTION (2010) 83,798 copies
- TVXQ! - COMPLETE - SINGLE A-SIDE COLLECTION - (2010) 83,798 copies
- BoA - BEST&USA (2009) 81,627 copies
- BoA - Next World (2003) 81,582 copies
- BTS - YOUTH (2016) 76,483 copies
- Girls' Generation - THE BEST (2014) 74,921 copies
- SHINee - SUPERSTAR (2021) 73,975 copies
- KARA - Girls Forever (2012) 73,224 copies
- Kim Hyun Joong - UNLIMITED (2012) 71,756 copies
- SHINee - THE FIRST (2011) 71,666 copies
- INFINITE - Koi ni Ochiru Toki (2013) 69,647 copies
- TREASURE - REBOOT -JP SPECIAL SELECTION- (2024) 69,488 copies
- Daesung - Delight (2014) 68,335 copies
- SHINee - FIVE (2017) 68,102 copies
- TWICE - #TWICE3 (2020) 67,808 copies
- Kep1er - Kep1going (2024) 65,709 copies
- TWICE - #TWICE4 (2022) 65,564 copies
- iKON - RETURN (2018) 65,530 copies
- K - Beyond the Sea (2006) 65,460 copies
- TWICE - Perfect World (2021) 65,395 copies
- BIGBANG - BIGBANG2 (2011) 65,383 copies
- Taemin - TAEMIN (2018) 63,871 copies
- ATEEZ - THE MOVEMENT EP.PARADIGM (2022) 63,778 copies
- J-JUN - Love Covers (2019) 63,396 copies
- 2PM - GENESIS OF 2PM (2014) 63,213 copies
- SUPER JUNIOR-D&E - Present (2015) 62,218 copies
- iKON - WELCOME BACK (2016) 61,508 copies
- Junho - Kimi no Koe (2013) 61,241 copies
- Girls' Generation - HOOT (2010) 60,800 copies
- Ryu Siwon - Kosumosu (2005) 57,392 copies
- T-ARA - Jewelry box (2012) 57,102 copies
- Jang Keun Suk - Nature Boy (2013) 56,956 copies
- TREASURE - THE FIRST STEP : TREASURE EFFECT (2021) 56,723 copies
- SHINee - Boys Meet U (2013) 56,215 copies
- TREASURE - THE SECOND STEP : CHAPTER ONE (2022) 55,653 copies
- EXO-CBX - GIRLS (2017) 55,201 copies
- TREASURE - THE SECOND STEP : CHAPTER TWO (2022) 54,146 copies
- NCT 127 - Awaken (2019) 53,042 copies
- BIGBANG - ALIVE (2012) 52,987 copies
- TVXQ! - T (2008) 52,273 copies
- 2PM - LEGEND OF 2PM (2013) 50,838 copies
- BEAST - SO BEAST (2011) 50,819 copies
- KARA - KARA BEST 2007-2010 (2010) 50,666 copies
- Taemin - FAMOUS (2019) 50,524 copies
- Taemin - Flame of Love (2017) 50,418 copies
- 2PM - REPUBLIC OF 2PM (2011) 50,265 copies
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