1
Kids (6), Eggs (10), Kenshuusei (26), Outside (13)
- 2004 Debut: Tsugunaga Momoko
- 2005 Debut: Yajima Maimi / Nakajima Saki / Suzuki Airi / Okai Chisato / Hagiwara Mai
- 2006 Debut: Mitsui Aika
- 2009 Debut: Wada Ayaka
- 2011 Debut: Fukumura Mizuki / Ikuta Erina / Sayashi Riho / Nakanishi Kana / Takeuchi Akari / Katsuta Rina / Iikubo Haruna / Ishida Ayumi / Sato Masaki / Kudo Haruka
- 2012 Debut: Oda Sakura
- 2013 Debut: Miyazaki Yuka / Kanazawa Tomoko / Takagi Sayuki / Miyamoto Karin / Uemura Akari
- 2014 Debut: Ogata Haruna / Nonaka Miki / Makino Maria / Haga Akane / Murota Mizuki / Aikawa Maho / Sasaki Rikako / Yamaki Risa / Morito Chisaki / Ozeki Mai
- 2015 Debut: Fujii Rio / Hirose Ayaka / Nomura Minami / Ogawa Rena / Hamaura Ayano / Taguchi Natsumi / Wada Sakurako / Inoue Rei / Ogata Risa / Yamagishi Riko / Niinuma Kisora / Tanimoto Ami / Kishimoto Yumeno / Asakura Kiki / Yanagawa Nanami / Funuki Musubu / Kamikokuryo Moe
- 2016 Debut: Kasahara Momona / Ono Mizuho / Onoda Saori / Akiyama Mao
Can we really say Tsubaki had debuted when they are still an indies group? I thought most people based it on a major release.
Either way, 12/35 on that list since 2011 were not a trainee... holy cow.