| 2009 ・・ 2018 ・ 2019 ・ 2020 ・・ 2029 |
2019 is the year when Country Girls suspended their activities; Yanagawa Nanami, Miyazaki Yuka, Wada Ayaka, Katsuta Rina and Nakanishi Kana departed from their respective groups and Hello! Project; Kudo Yume and Matsunaga Riai joined Juice=Juice; Kitagawa Rio, Okamura Homare and Yamazaki Mei joined Morning Musume '19; and Hashisako Rin joined ANGERME.
Members
- January 1: Morning Musume '18 becomes Morning Musume '19.
- January 16: Kodama Sakiko leaves Hello Pro Kenshuusei.
- March 11: Yanagawa Nanami graduates from Juice=Juice, Country Girls and Hello! Project.
- April 2: Kusunoki Mei leaves Hello Pro Kenshuusei.
- June 14: Kudo Yume and Matsunaga Riai join Juice=Juice.
- June 17: Miyazaki Yuka graduates from Juice=Juice and Hello! Project.
- June 18:
- Kanazawa Tomoko becomes the leader of Juice=Juice.
- Takagi Sayuki becomes the sub-leader of Juice=Juice.
- Wada Ayaka graduates from ANGERME and Hello! Project.
- June 19:
- Fukumura Mizuki becomes the leader of Hello! Project.
- Takeuchi Akari becomes the leader of ANGERME.
- Kawamura Ayano becomes a sub-leader of ANGERME.
- June 22: Kitagawa Rio, Okamura Homare, and Yamazaki Mei join Morning Musume '19.
- July 3: Hashisako Rin joins ANGERME.
- July 11: Hello Pro Kenshuusei Unit is formed.
- July 26:
- Ono Kotomi and Shutto Anna leave Hello Pro Kenshuusei.
- Sato Hikari leaves Hello Pro Kenshuusei Hokkaido.
- August 2:
- Hiromoto Ruli, Hashida Honoka, Nishizaki Miku, Hirayama Yuki, Kitahara Momo, Ebata Kisaki, Yofu Runo, Murakoshi Ayana, and Uemura Hasumi join Hello Pro Kenshuusei.
- Hashimoto Ririka joins Hello Pro Kenshuusei Hokkaido.
- September 25: Katsuta Rina graduates from ANGERME and Hello! Project.
- December 3: Nishimura Karin and Shibuya Hina join Hello Pro Kenshuusei Hokkaido.
- December 10: Nakanishi Kana graduates from ANGERME and Hello! Project.
- December 26:
- Country Girls suspends activities.
- Yamaki Risa and Ozeki Mai graduate from Country Girls and Hello! Project.
- Morito Chisaki and Funaki Musubu graduate from Country Girls.
Singles
Juice=Juice - "Hitori de Ikiraresou" tte Sore tte Nee, Homete Iru no? / 25sai Eien Setsu
- February 13: Bitansan / Potsuri to / Good bye & Good luck! - Juice=Juice
- February 27: Sankaime no Date Shinwa / Fuwari, Koi Dokei - Tsubaki Factory
- April 10: Koi wa Accha Accha / Yumemita Fifteen - ANGERME
- April 24: Oh No Ounou / Haru Urara - Kobushi Factory
- June 5: "Hitori de Ikiraresou" tte Sore tte Nee, Homete Iru no? / 25sai Eien Setsu - Juice=Juice
- June 12: Jinsei Blues / Seishun Night - Morning Musume '19
- August 7: Megane no Otoko no Ko / Nippon no D・N・A! / Go Waist - BEYOOOOONDS
- October 23: "Hitori de Ikiraresou" tte Sore tte Nee, Homete Iru no? / 25sai Eien Setsu (Regular Edition C) - Juice=Juice
- November 20: Watashi wo Tsukuru no wa Watashi / Zenzen Okiagarenai SUNDAY - ANGERME
Digital Songs
- August 24:
- September 16: Totte Oki no Oshare wo Shite - Katsuta Rina (ANGERME)
- October 18: Doushite Bokura ni wa Yaruki ga nai no ka - Miyamoto Karin
- December 18: Tenshi no Namida - Nakanishi Kana
Albums
- March 6: Seasons - Country Girls
- March 20: Best! Morning Musume 20th Anniversary - Morning Musume '19
- May 15: Rinnetenshou ~ANGERME Past, Present & Future~ - ANGERME
- May 29: Engeki Joshibu "Fushigi no Kuni no Alice Tachi" Original Soundtrack - BEYOOOOONDS
- October 2: Kobushi Dai Ni Maku - Kobushi Factory
- November 27: BEYOOOOOND1St - BEYOOOOONDS
- December 4: Country Girls Daizenshuu ① - Country Girls
DVD Singles
- January 14: Event V "Furari Ginza / Jiyuu na Kuni Dakara" - Morning Musume '18
- February 2: Event V "Tade Kuu Mushi mo Like it! / 46okunen LOVE" - ANGERME
- March 9: Event V "Bitansan / Potsuri to / Good bye & Good luck!" - Juice=Juice
- March 30: Event V "Sankaime no Date Shinwa / Fuwari, Koi Dokei" - Tsubaki Factory
- June 2:
- August 10: Event V "'Hitori de Ikiraresou' tte Sore tte Nee, Homete Iru no? / 25sai Eien Setsu" - Juice=Juice
- September 14: Event V "Jinsei Blues / Seishun Night" - Morning Musume '19
DVDs/Blu-rays
The Girls Live Vol.56
- January 16:
- Time Repeat ~Towa ni Kimi wo Omou~ (DVD)
- The Girls Live Vol.51 (DVD)
- February 6: Juice=Juice LIVE 2018 at NIPPON BUDOKAN TRIANGROOOVE (DVD & Blu-ray)
- February 13: The Girls Live Vol.52 (DVD)
- February 20: Hello! Project 20th Anniversary!! Hello! Project Hallo! Fes 2018【Hello! Project 20th Anniversary!! Premium】 (DVD & Blu-ray)
- February 27: Watashi no Ashioto - Yanagawa Nanami (Blu-ray)
- March 6:
- The Girls Live Vol.53 (DVD)
- Country Girls 4 Shuunen Kinen Event ~forte~ (DVD)
- March 27: Hello Pro All Stars Single Hatsubai Kinen Event ~Team Taikou Uta Gassen~ (DVD & Blu-ray)
- April 3: MORNING MUSUME '18 Fall Concert Tour ~GET SET, GO!~ in Mexico City (DVD)
- April 10:
- The Girls Live Vol.54 (DVD)
- Morning Musume '18 Concert Tour Aki ~GET SET, GO!~ Final Iikubo Haruna Sotsugyou Special (DVD & Blu-ray)
- April 17: Attack No.1 (DVD)
- May 15: Hello! Project 20th Anniversary!! Hello! Project COUNTDOWN PARTY 2018 ~GOOD BYE & HELLO!~ (DVD & Blu-ray)
- May 22: The Girls Live Vol.55 (DVD)
- May 29: Hello! Project 20th Anniversary!! Hello! Project 2019 WINTER ~YOU & I・NEW AGE~ (DVD & Blu-ray)
- June 5: Tsubaki Factory Live Tour 2019 Haru・Ranman Major Debut 2 Shuunen Special (DVD & Blu-ray)
- June 12: The Girls Live Vol.56 (DVD)
- July 10:
- August 7:
- The Girls Live Vol.58 (DVD)
- Fushigi no Kuni no Alicetachi (DVD)
- August 14:
- September 25: Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~ (DVD)
- October 9:
- Morning Musume '19 Concert Tour Haru ~BEST WISHES!~ FINAL (DVD & Blu-ray)
- The Girls Live Vol.60 (DVD)
- October 16: Hello Pro Premium Juice=Juice CONCERT TOUR 2019 ~JuiceFull!!!!!!!~ FINAL Miyazaki Yuka Sotsugyou Special (DVD & Blu-ray)
- October 30: Hello Pro Premium ANGERME Concert Tour 2019 Haru Final Wada Ayaka Sotsugyou Special Rinnetenshou ~Aru Toki Umareta Ai no Teishou~ (DVD & Blu-ray)
- November 13: The Girls Live Vol.61 (DVD)
- December 11:
- December 25: Hello! Project 2019 SUMMER "beautiful/harmony" (DVD & Blu-ray)
Concerts
- January 2 - March 3: Hello! Project 20th Anniversary!! Hello! Project 2019 WINTER
- February 4 - March 7: Juice=Juice LIVE TOUR 2019 ~GO FOR IT!~
- February 14 Juice=Juice & Country Girls LIVE
- February 17: Hello! Project 20th Anniversary!! Morning Musume '19 Dinner Show "Happy Night"
- February 17 - March 10: ANGERME Live Tour 2019 Haru ~Rinnetenshou~
- February 22: Tsubaki Factory Live Tour 2019 Haru・Ranman Major Debut 2 Shuunen Special
- March 10 - March 17: Hello! Project Kenshuusei Happyoukai 2019 3gatsu ~SUN~
- March 10 - May 26: Tsubaki Factory Live Tour 2019 Haru・Ranman
- March 11: Juice=Juice & Country Girls LIVE ~Yanagawa Nanami Sotsugyou Special~
- March 16 - May 26: Morning Musume '19 Concert Tour Haru ~BEST WISHES!~
- March 30 - March 31: Hello! Project 20th Anniversary!! Hello! Project Hina Fes 2019
- April 6 - May 26: ANGERME Concert Tour 2019 Haru ~Rinnetenshou~
- April 13 - June 23: Kobushi Factory Live Tour 2019 ~Haru Urara~
- April 27 - June 4: Juice=Juice CONCERT TOUR 2019 ~JuiceFull!!!!!!!~
- May 1: Hello Pro Kenshuusei Hokkaido Teiki Kouen Vol.8
- May 3 - May 6: Kobushi Factory First Concert 2019 Haru Urara ~GW Special~
- May 4: Hello! Project Kenshuusei Happyoukai 2019 ~Haru no Koukai Jitsuryoku Shindan Test~
- June 2 - June 16: Hello! Project Kenshuusei Happyoukai 2019 6gatsu ~Midori~
- June 4 - June 5: Morning Musume '19 Concert Tour Haru ~BEST WISHES!~ FINAL
- June 17: Hello Pro Premium Juice=Juice CONCERT TOUR 2019 ~JuiceFull!!!!!!!~ FINAL Miyazaki Yuka Sotsugyou Special
- June 18: Hello Pro Premium ANGERME Concert Tour 2019 Haru Final Wada Ayaka Sotsugyou Special Rinnetenshou ~Aru Toki Umareta Ai no Teishou~
- July 13 - September 1: Hello! Project 2019 SUMMER
- July 30: OTODAMA SEA STUDIO 2019 supported by POCARI SWEAT J=J Summer Special
- July 31: OTODAMA SEA STUDIO 2019 supported by POCARI SWEAT Kobushi Natsu no Nen!!
- August 11 - December 8: ANGERME Live Tour 2019 Natsu Aki "Next Page"
- September 2: Kobushi Factory Live Tour 2019 Aki ~Punching the air! Special~
- September 7: ANGERME "Mexico Kouen"
- September 7 - December 8: Tsubaki Factory Live Tour 2019 Aki: Gekkou
- September 8 - September 23: Hello! Project Kenshuusei Happyoukai 2019 9gatsu ~Kira~
- September 8 - November 30: Juice=Juice LIVE TOUR 2019 ~Con Amor~
- September 14 - December 16: Kobushi Factory Live Tour 2019 Aki ~Punching the air!~
- September 21 - November 30: Morning Musume '19 Concert Tour Aki ~KOKORO&KARADA~
- September 25: ANGERME 2019 Aki "Next Page" ~Katsuta Rina Sotsugyou Special~
- October 10: Juice=Juice LIVE TOUR 2019 ~Con Amor J=J DAY SPECIAL~
- October 17 - October 24: Miyamoto Karin LIVE TOUR ~Karing~
- November 4: ANGERME 2019 Aki "Next Page"
- December 1: Morning Musume '19 ~KOKORO&KARADA~ at Shinjuku ReNY
- December 1 - December 17: LIVE BEYOOOOOND1St
- December 4: Juice=Juice CONCERT 2019 ~octopic!~
- December 5: Morning Musume '19 Concert Tour Aki ~KOKORO&KARADA~ FINAL
- December 8 - December 22: Hello! Project Kenshuusei Happyoukai 2019 12gatsu ~Musubu~
- December 10: ANGERME Live Tour 2019 Natsu Aki "Next Page" ~Nakanishi Kana Sotsugyou Special~
- December 26: Country Girls Live 2019 ~Itooshikutte Gomen ne~
- December 31: Hello! Project COUNTDOWN PARTY 2019 ~GOOD BYE & HELLO!~
Events
- January 30 - January 31: Country Girls Fanclub Tour in Shizuoka "Ichi Fuji Ni Taka San Country!"
- February 20: Yamaki Risa to Tanoshimu! Real Dasshutsu Game Dai 3 Dan
- February 26: Country Girls Yanagawa Nanami & Funaki Musubu FC Event 2019 ~Nametenai zo!~
- February 27 - February 28: Hello Pro ANNEX ~Kobushi Factory×BEYOOOOONDS=Sweet♪~
- March 30 - March 31: Asobu. Kurasu. Sodateru. SATOYAMA & SATOUMI e Ikou 2019
- April 30: BEYOOOOONDS Ouen Kikaku FC Event 2019 ~Banshun no Jin ZIN~
- May 11 - May 12: Juice=Juice Fanclub Tour ~Miracle×Juice×Bus3~ in Naeba
- May 24: Kobushi Factory FC Event 2019 ~5gatsu 24nichi wa "Kobushi no Hi"~
- June 7 - June 8: ANGERME Wada Ayaka Fanclub Tour in Hakone ~Geijutsu no Tabi 2019~
- July 25: Morning Musume '19 Fukumura Mizuki・ANGERME Takeuchi Akari FC Event
- August 4 - August 5: Tsubaki Factory Fanclub tour "Camellian Journey" in Nagano
- August 13: Kobushi Factory FC Event 2019 ~SMILE! Kobushi Natsu Matsuri! 2~
- August 27: Country Girls FC Event 2019 ~Natsu no Dai Shikakkei~
- August 28: Morning Musume '19 15ki Member FC Event
- August 30: Juice=Juice FC Event 2019 ~Miracle×Juice×Box×Enjoy Summer! 2~
- September 3: Hello Pro Kenshuusei Unit Ouen Kikaku ~Cheerful~
- October 22: Juice=Juice Kanazawa Tomoko Talk & Mini Live in Miyoshi-machi ~LOVE Miyoshi~
- November 5: Country Girls Kessei 5 Shuunen Kinen Event ~Go for the future!!!!~
- November 15: Morning Musume '19 Ishida Ayumi & Country Girls Yamaki Risa FC Event ~#Tsui ni Yamaki to Ishida ga Event Suru tte yo~
- December 15: Tsubaki Factory FC Event ~Camellia Fai! vol.10 Camellia Santa no Negaigoto~
- December 9: OTODAMA SEA STUDIO 2019 supported by POCARI SWEAT J=J Summer Special DVD Hatsubai Kinen Joeikai Event
- December 20: ANGERME FC Event 2019 ~Angermerry Xmas~
- December 21:
- December 22:
Birthday Events
- January 7: Morning Musume '19 Ishida Ayumi Birthday Event
- January 8: Juice=Juice / Country Girls Yanagawa Nanami Birthday Event 2019
- January 9: Juice=Juice Inaba Manaka Birthday Event in Sapporo
- February 4: Morning Musume '19 Makino Maria Birthday Event
- February 12: Country Girls Ozeki Mai Birthday Event 2019
- February 13: Kobushi Factory Nomura Minami Birthday Event 2019
- February 19: Morning Musume '19 / Country Girls Morito Chisaki Birthday Event
- February 22: Morning Musume '19 Yokoyama Reina Birthday Event
- February 25: BEYOOOOONDS / CHICA#TETSU Ichioka Reina Birthday Event 2019
- March 8: Kobushi Factory Wada Sakurako Birthday Event 2019
- March 13: BEYOOOOONDS / Ame no Mori Kawa Umi Takase Kurumi Birthday Event 2019
- March 22: Morning Musume '19 Haga Akane Birthday Event
- March 28: Morning Musume '19 Oda Sakura Birthday Event ~Sakura no Shirabe 8~
- April 1: Tsubaki Factory Kishimoto Yumeno Birthday Event 2019
- April 8: ANGERME Katsuta Rina Birthday Event 2019
- April 10: Juice=Juice Miyazaki Yuka Birthday Event 2019
- April 19: Juice=Juice Takagi Sayuki Birthday Event 2019
- May 7: Morning Musume '19 Sato Masaki Birthday Event
- May 8: Juice=Juice Dambara Ruru Birthday Event 2019
- May 9: ANGERME / Country Girls Funaki Musubu Birthday Event 2019
- May 10: Kobushi Factory Hamaura Ayano Birthday Event 2019
- May 30: ANGERME Sasaki Rikako Birthday Event 2019
- June 3: ANGERME Nakanishi Kana Birthday Event 2019
- June 7: BEYOOOOONDS / CHICA#TETSU Nishida Shiori Birthday Event 2019
- June 24: BEYOOOOONDS / Ame no Mori Kawa Umi Maeda Kokoro Birthday Event 2019
- June 25: ANGERME Murota Mizuki Birthday Event 2019
- July 2: Juice=Juice Kanazawa Tomoko Birthday Event 2019
- July 8: Morning Musume '19 Ikuta Erina Birthday Event
- July 9: ANGERME Kawamura Ayano Birthday Event 2019
- July 17: Kobushi Factory Inoue Rei Birthday Event 2019
- July 29: Tsubaki Factory Akiyama Mao Birthday Event 2019
- July 30: BEYOOOOONDS / CHICA#TETSU Eguchi Saya Birthday Event 2019
- August 5: Kobushi Factory Hirose Ayaka Birthday Event 2019
- August 19: BEYOOOOONDS Kobayashi Honoka Birthday Event 2019
- August 20: BEYOOOOONDS / CHICA#TETSU Shimakura Rika Birthday Event 2019
- September 20: BEYOOOOONDS Satoyoshi Utano Birthday Event 2019
- September 30: Tsubaki Factory Ono Mizuho Birthday Event 2019
- October 7: Morning Musume '19 Nonaka Miki Birthday Event
- October 15: Country Girls Yamaki Risa Birthday Event 2019
- October 18: BEYOOOOONDS / Ame no Mori Kawa Umi Okamura Minami Birthday Event 2019
- October 23: Tsubaki Factory Niinuma Kisora Birthday Event 2019
- October 30: Morning Musume '19 Fukumura Mizuki Birthday Event
- November 5: BEYOOOOONDS / Ame no Mori Kawa Umi Yamazaki Yuhane Birthday Event 2019
- November 6: Tsubaki Factory Ogata Risa Birthday Event 2019
- November 8: ANGERME Kamikokuryo Moe・Kasahara Momona Birthday Event 2019
- November 18: Tsubaki Factory Tanimoto Ami Birthday Event 2019
- November 25: ANGERME Takeuchi Akari Birthday Event 2019
- November 26: Tsubaki Factory Yamagishi Riko Birthday Event 2019
- November 29: Morning Musume '19 Kaga Kaede Birthday Event
- December 1: Juice=Juice Miyamoto Karin Birthday Event 2019
- December 11: BEYOOOOONDS Hirai Miyo Birthday Event 2019
- December 12: BEYOOOOONDS / Ame no Mori Kawa Umi Kiyono Momohime Birthday Event 2019
- December 13: Juice=Juice Inaba Manaka Birthday Event 2019
- December 17: Tsubaki Factory Onoda Saori Birthday Event 2019
- December 19: Juice=Juice Uemura Akari Birthday Event 2019
Theater
- April 19 - April 29: Fushigi no Kuni no Alicetachi
- June 6 - June 23: Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~
- November 14 - November 24: Reborn ~13nin no Tamashii wa Kami-sama no Yume wo Miru~
Auditions
- January 2: Morning Musume '19 LOVE Audition begins.
- February 15: Morning Musume '19 LOVE Audition application deadline.
- March 6: Morning Musume '19 LOVE Audition first round completed.
- April 10: Morning Musume '19 LOVE Audition second round completed.
- May 17: Morning Musume '19 LOVE Audition third round completed.
- June 22: Morning Musume '19 LOVE Audition results announced.
- July 1: Hello Pro Kenshuusei Hokkaido Audition 2019 begins.
- August 9: Hello Pro Kenshuusei Hokkaido Audition 2019 application deadline.
- August 20: Hello Pro Kenshuusei Hokkaido Audition 2019 first round completed.
- September 30: Hello Pro Kenshuusei Hokkaido Audition 2019 second round completed.
Publications
- January 2: Hello Pro Maruwakari BOOK 2019 WINTER
- January 9: AKARI III - Uemura Akari
- February 2: María 18 años - Makino Maria
- February 22:
- March 12: Sakura no Kisetsu - Oda Sakura
- May 22: Tsunagu - Miyazaki Yuka
- May 24: ANGERMOOK
- May 27: Asakura Kiki - Asakura Kiki
- May 29: Wada Ayaka - Wada Ayaka
- June 21: Sakurako - Wada Sakurako
- June 27: Say Cheese! - Morito Chisaki
- July 7: Ayano - Kawamura Ayano
- July 13: Hello Pro Maruwakari BOOK 2019 SUMMER
- August 9: Sayuki - Takagi Sayuki
- August 27: REINA is eighteen ~N to S~ - Yokoyama Reina
- September 19: Micchaku Documentary Photobook "ANGERME to Kaite, Seishun to Yomu."
- September 25: ANGERME RINA FASHION TOOL Petunia ― Katsuta Rina Henshuuchou to 12nin no ANGERME - Katsuta Rina
- October 5: Hello Tsu PHOTOBOOK①
- October 22:
- October 30: Tasha! - Fukumura Mizuki
- November 5: Orange no Sunadokei ~Risa Hatachi~ - Ogata Risa
- November 29: Kana - Nakanishi Kana
- November 30: Kaede - Kaga Kaede
- December 11: Last Picture - Yamaki Risa
- December 18: Mai BEST - Ozeki Mai
Anniversaries
- January 2: Kobushi Factory's formation 4th anniversary
- January 28: Morning Musume's major debut 21st anniversary
- February 3: Juice=Juice's formation 6th anniversary
- February 22: Tsubaki Factory's major debut 2nd anniversary
- March 25: Country Girls' major debut 4th anniversary
- April 4: ANGERME's formation 10th anniversary
- April 29: Tsubaki Factory's formation 4th anniversary
- May 24: Kobushi Factory Day (Kobushi no Hi)
- May 26: ANGERME's major debut 9th anniversary
- September 2: Kobushi Factory's major debut 4th anniversary
- September 11: Juice=Juice's major debut 6th anniversary
- September 14: Morning Musume's formation 22nd anniversary
- October 10: Juice=Juice Day (JuuJuu no Hi)
- October 19: BEYOOOOONDS's formation 1st anniversary
- November 5: Country Girls' formation 5th anniversary
| 2009 ・・ 2018 ・ 2019 ・ 2020 ・・ 2029 |