User blog:NamaTamago/Groups by members' age

Please don't edit this page.

I'm only counting members from Hello! Project, Hello! Project Korea, Hello! Project Taiwan and Hello! Project Kansai. Current members in bold. Members still under UP-FRONT in italic.

Morning Musume
The age gap between the oldest member ever Nakazawa Yuko and the youngest member ever Haga Akane is of 29 years.
 * 1) Nakazawa Yuko (June 19, 1973)
 * 2) Ishiguro Aya (May 12, 1978)
 * 3) Yasuda Kei (December 6, 1980)
 * 4) Iida Kaori (August 8, 1981)
 * 5) Abe Natsumi (August 10, 1981)
 * 6) Yaguchi Mari (January 20, 1983)
 * 7) Ichii Sayaka (December 31, 1983)
 * 8) Fukuda Asuka (December 17, 1984)
 * 9) Ishikawa Rika (January 19, 1985)
 * 10) Fujimoto Miki (February 26, 1985)
 * 11) Yoshizawa Hitomi (April 12, 1985)
 * 12) Goto Maki (September 23, 1985)
 * 13) Takahashi Ai (September 14, 1986)
 * 14) Konno Asami (May 7, 1987)
 * 15) Tsuji Nozomi (June 17, 1987)
 * 16) Ogawa Makoto (October 29, 1987)
 * 17) <p style="margin-bottom:0cm">Junjun (January 11, 1988)
 * 18) <p style="margin-bottom:0cm">Kago Ai (February 7, 1988)
 * 19) <p style="margin-bottom:0cm">Niigaki Risa (October 20, 1988)
 * 20) <p style="margin-bottom:0cm">Kamei Eri (December 23, 1988)
 * 21) <p style="margin-bottom:0cm">Michishige Sayumi (July 13, 1989)
 * 22) <p style="margin-bottom:0cm">Tanaka Reina (November 11, 1989)
 * 23) <p style="margin-bottom:0cm">Linlin (March 11, 1991)
 * 24) <p style="margin-bottom:0cm">Kusumi Koharu (July 15, 1992)
 * 25) <p style="margin-bottom:0cm">Mitsui Aika (January 12, 1993)
 * 26) <p style="margin-bottom:0cm">Iikubo Haruna (November 7, 1994)
 * 27) <p style="margin-bottom:0cm">Fukumura Mizuki (October 30, 1996)
 * 28) <p style="margin-bottom:0cm">Ishida Ayumi (January 7, 1997)
 * 29) <p style="margin-bottom:0cm">Ikuta Erina (July 7, 1997)
 * 30) <p style="margin-bottom:0cm">Sayashi Riho (May 28, 1998)
 * 31) <p style="margin-bottom:0cm">Suzuki Kanon (August 5, 1998)
 * 32) <p style="margin-bottom:0cm">Ogata Haruna (February 15, 1999)
 * 33) <p style="margin-bottom:0cm">Oda Sakura (March 12, 1999)
 * 34) <p style="margin-bottom:0cm">Sato Masaki (May 7, 1999)
 * 35) <p style="margin-bottom:0cm">Nonaka Miki (October 7, 1999)
 * 36) <p style="margin-bottom:0cm">Kudo Haruka (October 27, 1999)
 * 37) <p style="margin-bottom:0cm">Kaga Kaede (November 30, 1999)
 * 38) <p style="margin-bottom:0cm">Morito Chisaki (February 19, 2000)
 * 39) <p style="margin-bottom:0cm">Makino Maria (February 2, 2001)
 * 40) <p style="margin-bottom:0cm">Yokoyama Reina (February 22, 2001)
 * 41) <p style="margin-bottom:0cm">Haga Akane (March 7, 2002)

ANGERME
<p style="margin-bottom:0cm"> The age gap between the oldest member ever Wada Ayaka and the youngest member ever  Kasahara Momona  is of 9 years.
 * 1) <p style="margin-bottom:0cm">Wada Ayaka (August 1, 1994)
 * 2) <p style="margin-bottom:0cm">Maeda Yuuka (December 28, 1994)
 * 3) <p style="margin-bottom:0cm">Fukuda Kanon (March 12, 1995)
 * 4) <p style="margin-bottom:0cm">Ogawa Saki (November 18, 1996)
 * 5) <p style="margin-bottom:0cm">Nakanishi Kana (June 4, 1997)
 * 6) <p style="margin-bottom:0cm">Kosuga Fuyuka (November 19, 1997)
 * 7) <p style="margin-bottom:0cm">Takeuchi Akari (November 23, 1997)
 * 8) <p style="margin-bottom:0cm">Katsuta Rina (April 6, 1998)
 * 9) <p style="margin-bottom:0cm">Murota Mizuki (June 12, 1998)
 * 10) <p style="margin-bottom:0cm">Tamura Meimi (October 30, 1998)
 * 11) <p style="margin-bottom:0cm">Aikawa Maho (March 26, 1999)
 * 12) <p style="margin-bottom:0cm">Kawamura Ayano (July 7, 1999)
 * 13) <p style="margin-bottom:0cm">Kamikokuryo Moe (October 24, 1999)
 * 14) <p style="margin-bottom:0cm">Sasaki Rikako (May 28, 2001)
 * 15) <p style="margin-bottom:0cm">Funaki Musubu (May 10, 2002)
 * 16) <p style="margin-bottom:0cm">Kasahara Momona (October 22, 2003)

Juice=Juice
<p style="margin-bottom:0cm"> The age gap between the oldest member ever Miyazaki Yuka  and the youngest member ever Yanagawa Nanami is of 8 years.
 * 1) <p style="margin-bottom:0cm">Miyazaki Yuka (April 2, 1994)
 * 2) <p style="margin-bottom:0cm">Kanazawa Tomoko (July 2, 1995)
 * 3) <p style="margin-bottom:0cm">Takagi Sayuki (April 21, 1997)
 * 4) <p style="margin-bottom:0cm">Otsuka Aina (April 3, 1998)
 * 5) <p style="margin-bottom:0cm">Miyamoto Karin (December 1, 1998)
 * 6) <p style="margin-bottom:0cm">Uemura Akari (December 30, 1998)
 * 7) <p style="margin-bottom:0cm">Danbara Ruru (May 7, 2001)
 * 8) <p style="margin-bottom:0cm">Yanagawa Nanami (January 6, 2002)

Country Musume / Country Girls
<p style="margin-bottom:0cm"> The age gap between the oldest member ever Kobayashi Azusa  and the youngest member ever Funaki Musubu  is of 25 years.
 * 1) <p style="margin-bottom:0cm">Kobayashi Azusa (January 30, 1977)
 * 2) <p style="margin-bottom:0cm">Yanagihara Hiromi (October 17, 1979)
 * 3) <p style="margin-bottom:0cm">Rinne (February 6, 1981)
 * 4) <p style="margin-bottom:0cm">Satoda Mai (March 29, 1984)
 * 5) <p style="margin-bottom:0cm">Asami (July 17, 1984)
 * 6) <p style="margin-bottom:0cm">Miuna (February 12, 1987)
 * 7) <p style="margin-bottom:0cm">Tsugunaga Momoko (March 6, 1992)
 * 8) <p style="margin-bottom:0cm">Yamaki Risa (October 14, 1997)
 * 9) <p style="margin-bottom:0cm">Inaba Manaka (December 27, 1997)
 * 10) <p style="margin-bottom:0cm">Morito Chisaki (February 19, 2000)
 * 11) <p style="margin-bottom:0cm">Shimamura Uta (June 24, 2000)
 * 12) <p style="margin-bottom:0cm">Yanagawa Nanami (January 6, 2002)
 * 13) <p style="margin-bottom:0cm">Ozeki Mai (February 10, 2002)
 * 14) <p style="margin-bottom:0cm">Funaki Musubu (May 10, 2002)

Kobushi Factory
<p style="margin-bottom:0cm"> The age gap between the oldest member ever Fujii Rio  and the youngest member ever Inoue Rei is of 2 years.
 * 1) <p style="margin-bottom:0cm">Fujii Rio (March 4, 1999)
 * 2) <p style="margin-bottom:0cm">Hirose Ayaka (August 4, 1999)
 * 3) <p style="margin-bottom:0cm">Nomura Minami (February 10, 2000)
 * 4) <p style="margin-bottom:0cm">Ogawa Rena (March 27, 2000)
 * 5) <p style="margin-bottom:0cm">Hamaura Ayano (April 26, 2000)
 * 6) <p style="margin-bottom:0cm">Taguchi Natsumi (July 21, 2000)
 * 7) <p style="margin-bottom:0cm">Wada Sakurako (March 8, 2001)
 * 8) <p style="margin-bottom:0cm">Inoue Rei (July 17, 2001)

Tsubaki Factory
<p style="margin-bottom:0cm">​ The age gap between the oldest member ever Ogata Risa  and the youngest member ever Akiyama Mao is of 4 years.
 * 1) Ogata Risa (November 5, 1998)
 * 2) <p style="margin-bottom:0cm">Yamagishi Riko (November 24, 1998)
 * 3) <p style="margin-bottom:0cm">Niinuma Kisora (October 20, 1999)
 * 4) <p style="margin-bottom:0cm">Tanimoto Ami (November 16, 1999)
 * 5) <p style="margin-bottom:0cm">Kishimoto Yumeno (April 1, 2000)
 * 6) <p style="margin-bottom:0cm">Asakura Kiki (September 3, 2000)
 * 7) <p style="margin-bottom:0cm">Ono Mizuho (September 29, 2000)
 * 8) <p style="margin-bottom:0cm">Onoda Saori (December 21, 2001)
 * 9) <p style="margin-bottom:0cm">Akiyama Mao (July 29, 2002)

Taiyou to Ciscomoon
<p style="margin-bottom:0cm">​ The age gap between the oldest member Shinoda Miho  and the youngest member Kominato Miwa was of 5 years.
 * 1) Shinoda Miho (May 18, 1972)
 * 2) <p style="margin-bottom:0cm">Inaba Atsuko (March 13, 1974)
 * 3) <p style="margin-bottom:0cm">Honda Ruru (March 18, 1976)
 * 4) <p style="margin-bottom:0cm">Kominato Miwa (February 15, 1977)

Coconuts Musume
<p style="margin-bottom:0cm">The  age gap between the oldest member ever Ayaka and the youngest member ever Mika was of 3 years.
 * 1) Ayaka (October 30, 1981)
 * 2) <p style="margin-bottom:0cm">Chelsea (September 26, 1982)
 * 3) <p style="margin-bottom:0cm">Lehua (February 7, 1983)
 * 4) <p style="margin-bottom:0cm">April (April 15, 1983)
 * 5) <p style="margin-bottom:0cm">Danielle (September 6, 1983)
 * 6) <p style="margin-bottom:0cm">Mika (May 28, 1984)

Melon Kinenbi
<p style="margin-bottom:0cm"> The  age gap between the oldest member Murata Megumi  and the youngest member Shibata Ayumi was of 3 years.
 * 1) <p style="margin-bottom:0cm">Murata Megumi (March 3, 1981)
 * 2) <p style="margin-bottom:0cm">Saito Hitomi (October 31, 1981)
 * 3) <p style="margin-bottom:0cm">Otani Masae (February 25, 1982)
 * 4) <p style="margin-bottom:0cm">Shibata Ayumi (February 22, 1984)

Sheki-Dol
<p style="margin-bottom:0cm"> The  age gap between the oldest member ever Arai Saki and the youngest member ever Oki Ibuki was of 4 years.
 * 1) Arai Saki (March 8, 1978)
 * 2) <p style="margin-bottom:0cm">Kitagami Ami (July 22, 1980)
 * 3) <p style="margin-bottom:0cm">Suenaga Mami (October 23, 1980)
 * 4) <p style="margin-bottom:0cm">Oki Ibuki (March 2, 1982)

Hello! Project Kids
<p style="margin-bottom:0cm">The age gap between the oldest member Umeda Erika and the youngest member Hagiwara Mai was of 5 years.
 * 1) Umeda Erika (May 24, 1991)
 * 2) <p style="margin-bottom:0cm">Shimizu Saki (November 22, 1991)
 * 3) <p style="margin-bottom:0cm">Yajima Maimi (February 7, 1992)
 * 4) <p style="margin-bottom:0cm">Tsugunaga Momoko (March 6, 1992)
 * 5) <p style="margin-bottom:0cm">Tokunaga Chinami (May 22, 1992)
 * 6) <p style="margin-bottom:0cm">Murakami Megumi (June 6, 1992)
 * 7) <p style="margin-bottom:0cm">Sudo Maasa (July 3, 1992)
 * 8) <p style="margin-bottom:0cm">Natsuyaki Miyabi (August 25, 1992)
 * 9) <p style="margin-bottom:0cm">Ishimura Maiha (November 20, 1992)
 * 10) <p style="margin-bottom:0cm">Arihara Kanna (June 15, 1993)
 * 11) <p style="margin-bottom:0cm">Kumai Yurina (August 3, 1993)
 * 12) <p style="margin-bottom:0cm">Nakajima Saki (February 5, 1994)
 * 13) <p style="margin-bottom:0cm">Sugaya Risako (April 4, 1994)
 * 14) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)
 * 15) <p style="margin-bottom:0cm">Okai Chisato (June 21, 1994)
 * 16) <p style="margin-bottom:0cm">Hagiwara Mai (February 7, 1996)

W
<p style="margin-bottom:0cm"> The age gap between the members was of 1 year.
 * 1) <p style="margin-bottom:0cm">Tsuji Nozomi (June 17, 1987)
 * 2) <p style="margin-bottom:0cm">Kago Ai (February 7, 1988)

Berryz Koubou
<p style="margin-bottom:0cm">​ The age gap between the oldest member ever Shimizu Saki and the youngest member ever Sugaya Risako was of 3 years.
 * 1) Shimizu Saki (November 22, 1991)
 * 2) <p style="margin-bottom:0cm">Tsugunaga Momoko (March 6, 1992)
 * 3) <p style="margin-bottom:0cm">Tokunaga Chinami (May 22, 1992)
 * 4) <p style="margin-bottom:0cm">Sudo Maasa (July 3, 1992)
 * 5) <p style="margin-bottom:0cm">Natsuyaki Miyabi (August 25, 1992)
 * 6) <p style="margin-bottom:0cm">Ishimura Maiha (November 20, 1992)
 * 7) <p style="margin-bottom:0cm">Kumai Yurina (August 3, 1993)
 * 8) <p style="margin-bottom:0cm">Sugaya Risako (April 4, 1994)

v-u-den
<p style="margin-bottom:0cm"> The age gap between the oldest member Miyoshi Erika and the youngest member Okada Yui was of 5 years.
 * 1) Miyoshi Erika (November 8, 1984)
 * 2) <p style="margin-bottom:0cm">Ishikawa Rika (January 19, 1985)
 * 3) <p style="margin-bottom:0cm">Okada Yui (December 28, 1989)

℃-ute
<p style="margin-bottom:0cm"> The age gap between the oldest member ever Umeda Erika  and the youngest member ever Hagiwara Mai was of 5 years.
 * 1) Umeda Erika (May 24, 1991)
 * 2) <p style="margin-bottom:0cm">Yajima Maimi (February 7, 1992)
 * 3) <p style="margin-bottom:0cm">Murakami Megumi (June 6, 1992)
 * 4) <p style="margin-bottom:0cm">Arihara Kanna (June 15, 1993)
 * 5) <p style="margin-bottom:0cm">Nakajima Saki (February 5, 1994)
 * 6) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)
 * 7) <p style="margin-bottom:0cm">Okai Chisato (June 21, 1994)
 * 8) <p style="margin-bottom:0cm">Hagiwara Mai (February 7, 1996)

Buono!
​ The age gap between the oldest member Tsugunaga Momoko and the youngest member Suzuki Airi was of 2 years.
 * 1) Tsugunaga Momoko (March 6, 1992)
 * 2) Tokunaga Chinami (May 22, 1992)
 * 3) Suzuki Airi (April 12, 1994)

SI☆NA
<p style="margin-bottom:0cm">​ The age gap between the oldest member ever Iwashima Manami  and the youngest member ever Suma Ai was of 3 years.
 * 1) <p style="margin-bottom:0cm">Iwashima Manami (December 17, 1989)
 * 2) <p style="margin-bottom:0cm">Abe Asami (September 5, 1990)
 * 3) <p style="margin-bottom:0cm">Nakayama Nana (April 3, 1992)
 * 4) <p style="margin-bottom:0cm">Suma Ai (April 15, 1992)

Ice Creamusume
<p style="margin-bottom:0cm"> The age gap between the oldest member Shenshen and  the youngest member Guu-chan was of 8 years.
 * 1) <p style="margin-bottom:0cm">Shenshen (January 10, 1988)
 * 2) <p style="margin-bottom:0cm">Anchii (July 23, 1989)
 * 3) <p style="margin-bottom:0cm">Peipei (February 10, 1991)
 * 4) <p style="margin-bottom:0cm">Youko (August 28, 1992)
 * 5) <p style="margin-bottom:0cm">Reirei (January 16, 1994)
 * 6) <p style="margin-bottom:0cm">Guu-chan (December 14, 1996)

Da Xiao Jie
<p style="margin-bottom:0cm">The age gap between the members was of 2 years.
 * 1) <p style="margin-bottom:0cm">Frances (December 27, 2000)
 * 2) <p style="margin-bottom:0cm">Aiko (December 21, 2002)

Soloists
<p style="margin-bottom:0cm">​The age gap between the oldest soloist ever Nakazawa Yuko and the youngest soloist ever Sayashi Riho is of 25 years.
 * 1) <p style="margin-bottom:0cm">Nakazawa Yuko (June 19, 1973)
 * 2) <p style="margin-bottom:0cm">Inaba Atsuko (March 13, 1974)
 * 3) <p style="margin-bottom:0cm">Heike Michiyo (April 6, 1979)
 * 4) <p style="margin-bottom:0cm">Miyoshi Chinatsu (August 14, 1979)
 * 5) <p style="margin-bottom:0cm">Maeda Yuki (August 28, 1979)
 * 6) <p style="margin-bottom:0cm">Ishii Rika (February 26, 1980)
 * 7) <p style="margin-bottom:0cm">Yasuda Kei (December 6, 1980)
 * 8) <p style="margin-bottom:0cm">Iida Kaori (August 8, 1981)
 * 9) <p style="margin-bottom:0cm">Abe Natsumi (August 10, 1981)
 * 10) <p style="margin-bottom:0cm">Yaguchi Mari (January 20, 1983)
 * 11) <p style="margin-bottom:0cm">Miyoshi Erika (November 8, 1984)
 * 12) <p style="margin-bottom:0cm">Ishikawa Rika (January 19, 1985)
 * 13) <p style="margin-bottom:0cm">Fujimoto Miki (February 26, 1985)
 * 14) <p style="margin-bottom:0cm">Yoshizawa Hitomi (April 12, 1985)
 * 15) <p style="margin-bottom:0cm">Goto Maki (September 23, 1985)
 * 16) <p style="margin-bottom:0cm">Matsuura Aya (June 25, 1986)
 * 17) <p style="margin-bottom:0cm">Konno Asami (May 7, 1987)
 * 18) <p style="margin-bottom:0cm">Ogawa Makoto (October 29, 1987)
 * 19) <p style="margin-bottom:0cm">Okada Yui (December 28, 1989)
 * 20) <p style="margin-bottom:0cm">Mano Erina (April 11, 1991)
 * 21) <p style="margin-bottom:0cm">Mitsui Aika (January 12, 1993)
 * 22) <p style="margin-bottom:0cm">Sayashi Riho (May 28, 1998)

Ongaku Gatas
<p style="margin-bottom:0cm">​The age gap between the oldest member ever Satoda Mai and the youngest member ever Muto Mika is of 8 years.
 * 1) <p style="margin-bottom:0cm">Satoda Mai (March 29, 1984)
 * 2) <p style="margin-bottom:0cm">Ishikawa Rika (January 19, 1985)
 * 3) <p style="margin-bottom:0cm">Yoshizawa Hitomi (April 12, 1985)
 * 4) <p style="margin-bottom:0cm">Korenaga Miki (November 4, 1985)
 * 5) <p style="margin-bottom:0cm">Konno Asami (May 7, 1987)
 * 6) <p style="margin-bottom:0cm">Noto Arisa (December 26, 1988)
 * 7) <p style="margin-bottom:0cm">Mano Erina (April 11, 1991)
 * 8) <p style="margin-bottom:0cm">Sengoku Minami (April 30, 1991)
 * 9) <p style="margin-bottom:0cm">Sawada Yuri (November 25, 1991)
 * 10) <p style="margin-bottom:0cm">Muto Mika (January 31, 1992)

Hello Pro Kenshuusei
Names in bold italics means they are current Hello! Project members. <p style="margin-bottom:0cm">The age gap between the oldest member ever Korenaga Miki and the youngest member ever Hashisako Rin is of 20 years.
 * 1) <p style="margin-bottom:0cm">Korenaga Miki (November 4, 1985)
 * 2) <p style="margin-bottom:0cm">Kawashima Miyuki (August 26, 1986)
 * 3) <p style="margin-bottom:0cm">Noto Arisa (December 26, 1988)
 * 4) <p style="margin-bottom:0cm">Morozuka Kanami (November 1, 1989)
 * 5) <p style="margin-bottom:0cm">Okada Yui (December 28, 1989)
 * 6) <p style="margin-bottom:0cm">Aoki Erina (April 16, 1990)
 * 7) <p style="margin-bottom:0cm">Tanaka Anri (January 25, 1991)
 * 8) <p style="margin-bottom:0cm">Linlin (March 11, 1991)
 * 9) <p style="margin-bottom:0cm">Mano Erina (April 11, 1991)
 * 10) <p style="margin-bottom:0cm">Oose Kaede (April 29, 1991)
 * 11) <p style="margin-bottom:0cm">Sengoku Minami (April 30, 1991)
 * 12) <p style="margin-bottom:0cm">Ogura Manami (July 13, 1991)
 * 13) <p style="margin-bottom:0cm">Sawada Yuri (November 25, 1991)
 * 14) <p style="margin-bottom:0cm">Muto Mika (January 31, 1992)
 * 15) <p style="margin-bottom:0cm">Hashida Mirei (April 28, 1992)
 * 16) <p style="margin-bottom:0cm">Kikkawa Yuu (May 1, 1992)
 * 17) <p style="margin-bottom:0cm">Furukawa Konatsu (July 5, 1992)
 * 18) <p style="margin-bottom:0cm">Hashimoto Aina (October 3, 1992)
 * 19) <p style="margin-bottom:0cm">Ooyanagi Maho (October 12, 1992)
 * 20) <p style="margin-bottom:0cm">Akiyama Yurika (October 19, 1992)
 * 21) <p style="margin-bottom:0cm">Okada Robin Shouko (March 15, 1993)
 * 22) <p style="margin-bottom:0cm">Goto Yuki (June 12, 1993)
 * 23) <p style="margin-bottom:0cm">Arihara Kanna (June 15, 1993)
 * 24) <p style="margin-bottom:0cm">Sainen Mia (June 22, 1993)
 * 25) <p style="margin-bottom:0cm">Mori Saki (October 12, 1993)
 * 26) <p style="margin-bottom:0cm">Yutoku Ayumi (October 19, 1993)
 * 27) <p style="margin-bottom:0cm">Kitahara Sayaka (November 29, 1993)
 * 28) <p style="margin-bottom:0cm">Sezaki Azusa (May 29, 1994)
 * 29) <p style="margin-bottom:0cm">Komine Momoka (June 27, 1994)
 * 30) <p style="margin-bottom:0cm">Wada Ayaka (August 1, 1994)
 * 31) <p style="margin-bottom:0cm">Maeda Yuuka (December 28, 1994)
 * 32) <p style="margin-bottom:0cm">Sato Ayano (January 7, 1995)
 * 33) <p style="margin-bottom:0cm">Fukuda Kanon (March 12, 1995)
 * 34) <p style="margin-bottom:0cm">Yamaga Kanae (May 15, 1995)
 * 35) <p style="margin-bottom:0cm">Saho Akari (June 8, 1995)
 * 36) <p style="margin-bottom:0cm">Kanazawa Tomoko (July 2, 1995)
 * 37) <p style="margin-bottom:0cm">Jang Da Yeon (September 19, 1995)
 * 38) <p style="margin-bottom:0cm">Okai Asuna (May 14, 1996)
 * 39) <p style="margin-bottom:0cm">Sekine Azusa (June 14, 1996)
 * 40) <p style="margin-bottom:0cm">Kizawa Runa (September 6, 1996)
 * 41) <p style="margin-bottom:0cm">Fukumura Mizuki (October 30, 1996)
 * 42) <p style="margin-bottom:0cm">Nagasawa Wakana (November 8, 1996)
 * 43) <p style="margin-bottom:0cm">Ogawa Saki (November 18, 1996)
 * 44) <p style="margin-bottom:0cm">Takagi Sayuki (April 21, 1997)
 * 45) <p style="margin-bottom:0cm">Maeda Irori (May 7, 1997)
 * 46) <p style="margin-bottom:0cm">Kaneko Rie (July 1, 1997)
 * 47) <p style="margin-bottom:0cm">Hashimoto Nagisa (July 3, 1997)
 * 48) <p style="margin-bottom:0cm">Yamaki Risa (October 14, 1997)
 * 49) <p style="margin-bottom:0cm">Arai Manami (November 19, 1997)
 * 50) <p style="margin-bottom:0cm">Kosuga Fuyuka (November 19, 1997)
 * 51) <p style="margin-bottom:0cm">Takeuchi Akari (November 23, 1997)
 * 52) <p style="margin-bottom:0cm">Tanaka Karen (December 24, 1997)
 * 53) <p style="margin-bottom:0cm">Inaba Manaka (December 27, 1997)
 * 54) <p style="margin-bottom:0cm">Otsuka Aina (April 3, 1998)
 * 55) <p style="margin-bottom:0cm">Katsuta Rina (April 6, 1998)
 * 56) <p style="margin-bottom:0cm">Horie Kizuki (May 14, 1998)
 * 57) <p style="margin-bottom:0cm">Murota Mizuki (June 12, 1998)
 * 58) <p style="margin-bottom:0cm">Okamura Rise (July 28, 1998)
 * 59) <p style="margin-bottom:0cm">Mikame Kana (August 28, 1998)
 * 60) <p style="margin-bottom:0cm">Ogata Risa (November 5, 1998)
 * 61) <p style="margin-bottom:0cm">Yamagishi Riko (November 24, 1998)
 * 62) <p style="margin-bottom:0cm">Miyamoto Karin (December 1, 1998)
 * 63) <p style="margin-bottom:0cm">Uemura Akari (December 30, 1998)
 * 64) <p style="margin-bottom:0cm">Mogi Minami (January 14, 1999)
 * 65) <p style="margin-bottom:0cm">Ichioka Reina (February 25, 1999)
 * 66) <p style="margin-bottom:0cm">Fujii Rio (March 4, 1999)
 * 67) <p style="margin-bottom:0cm">Oda Sakura (March 12, 1999)
 * 68) <p style="margin-bottom:0cm">Yokogawa Yumei (March 14, 1999)
 * 69) <p style="margin-bottom:0cm">Takase Kurumi (March 16, 1999)
 * 70) <p style="margin-bottom:0cm">Aikawa Maho (March 26, 1999)
 * 71) <p style="margin-bottom:0cm">Shimano Momoko (May 31, 1999)
 * 72) <p style="margin-bottom:0cm">Kawamura Ayano (July 7, 1999)
 * 73) <p style="margin-bottom:0cm">Hirose Ayaka (August 4, 1999)
 * 74) <p style="margin-bottom:0cm">Mashiro Kana (August 29, 1999)
 * 75) <p style="margin-bottom:0cm">Yoshihashi Kurumi (September 22, 1999)
 * 76) <p style="margin-bottom:0cm">Niinuma Kisora (October 20, 1999)
 * 77) <p style="margin-bottom:0cm">Kudo Haruka (October 27, 1999)
 * 78) <p style="margin-bottom:0cm">Tanabe Nanami (November 10, 1999)
 * 79) <p style="margin-bottom:0cm">Tanimoto Ami (November 16, 1999)
 * 80) <p style="margin-bottom:0cm">Kaga Kaede (November 30, 1999)
 * 81) <p style="margin-bottom:0cm">Nomura Minami (February 10, 2000)
 * 82) <p style="margin-bottom:0cm">Ogawa Rena (March 27, 2000)
 * 83) <p style="margin-bottom:0cm">Kishimoto Yumeno (April 1, 2000)
 * 84) <p style="margin-bottom:0cm">Hamaura Ayano (April 26, 2000)
 * 85) <p style="margin-bottom:0cm">Taguchi Natsumi (July 21, 2000)
 * 86) <p style="margin-bottom:0cm">Shimakura Rika (August 20, 2000)
 * 87) <p style="margin-bottom:0cm">Inoue Hikaru (August 31, 2000)
 * 88) <p style="margin-bottom:0cm">Asakura Kiki (September 3, 2000)
 * 89) <p style="margin-bottom:0cm">Oura Hirona (September 10, 2000)
 * 90) <p style="margin-bottom:0cm">Ono Mizuho (September 29, 2000)
 * 91) <p style="margin-bottom:0cm">Makino Maria (February 2, 2001)
 * 92) <p style="margin-bottom:0cm">Yokoyama Reina (February 22, 2001)
 * 93) <p style="margin-bottom:0cm">Wada Sakurako (March 8, 2001)
 * 94) <p style="margin-bottom:0cm">Takemura Miu (April 28, 2001)
 * 95) <p style="margin-bottom:0cm">Danbara Ruru (May 7, 2001)
 * 96) <p style="margin-bottom:0cm">Sasaki Rikako (May 28, 2001)
 * 97) <p style="margin-bottom:0cm">Inoue Rei (July 17, 2001)
 * 98) <p style="margin-bottom:0cm">Saito Kana (August 26, 2001)
 * 99) <p style="margin-bottom:0cm">Noguchi Kurumi (August 29, 2001)
 * 100) <p style="margin-bottom:0cm">Nakano Rion (September 5, 2001)
 * 101) <p style="margin-bottom:0cm">Onoda Saori (December 21, 2001)
 * 102) <p style="margin-bottom:0cm">Yanagawa Nanami (January 6, 2002)
 * 103) <p style="margin-bottom:0cm">Haga Akane (March 7, 2002)
 * 104) <p style="margin-bottom:0cm">Funaki Musubu (May 10, 2002)
 * 105) <p style="margin-bottom:0cm">Maeda Kokoro (June 23, 2002)
 * 106) <p style="margin-bottom:0cm">Akiyama Mao (July 29, 2002)
 * 107) <p style="margin-bottom:0cm">Ono Kotomi (October 7, 2002)
 * 108) <p style="margin-bottom:0cm">Kanatsu Mizuki (October 9, 2002)
 * 109) <p style="margin-bottom:0cm">Yamazaki Yuhane (November 5, 2002)
 * 110) <p style="margin-bottom:0cm">Hibi Marina (December 17, 2002)
 * 111) <p style="margin-bottom:0cm">Kodama Sakiko (March 29, 2003)
 * 112) <p style="margin-bottom:0cm">Yoshida Marie (April 29, 2003)
 * 113) <p style="margin-bottom:0cm">Nishida Shiori (June 7, 2003)
 * 114) <p style="margin-bottom:0cm">Eguchi Saya (August 1, 2003)
 * 115) <p style="margin-bottom:0cm">Kasahara Momona (October 22, 2003)
 * 116) <p style="margin-bottom:0cm">Okamoto Honoka (February 28, 2004)
 * 117) <p style="margin-bottom:0cm">Yonemura Kirara (April 30, 2004)
 * 118) <p style="margin-bottom:0cm">Doi Rena (September 1, 2004)
 * 119) <p style="margin-bottom:0cm">Okamura Minami (October 20, 2004)
 * 120) <p style="margin-bottom:0cm">Kiyono Momohime (December 22, 2004)
 * 121) <p style="margin-bottom:0cm">Matsunaga Riai (July 7, 2005)
 * 122) <p style="margin-bottom:0cm">Yamada Ichigo (July 15, 2005)
 * 123) <p style="margin-bottom:0cm">Nakayama Natsume (July 20, 2005)
 * 124) <p style="margin-bottom:0cm">Hashisako Rin (October 6, 2005)

Hello Pro Kenshuusei Hokkaido
<p style="margin-bottom:0cm">Ishiguri Kanami (April 20, 2004) <p style="margin-bottom:0cm">Kawano Minori (April 23, 2004) <p style="margin-bottom:0cm">The age gap between the oldest member Ota Haruka and the youngest member Yamazaki Mei is of 2 years.
 * 1) <p style="margin-bottom:0cm">Ota Haruka (October 21, 2003)
 * 2) <p style="margin-bottom:0cm">Sato Hikari (April 19, 2004)
 * 1) <p style="margin-bottom:0cm">Kitagawa Ryo (June 29, 2004)
 * 2) <p style="margin-bottom:0cm">Kudo Yume (September 28, 2004)
 * 3) <p style="margin-bottom:0cm">Yamazaki Mei (June 28, 2005)

4KIDS
<p style="margin-bottom:0cm">The age gap between the oldest member Sudo Maasa and the youngest member Hagiwara Mai was of 4 years.
 * 1) <p style="margin-bottom:0cm">Sudo Maasa (July 3, 1992)
 * 2) <p style="margin-bottom:0cm">Sugaya Risako (April 4, 1994)
 * 3) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)
 * 4) <p style="margin-bottom:0cm">Hagiwara Mai (February 7, 1996)

ZYX / ZYX-α
Names in  bold italics  means they are current Hello! Project members. The age gap between the oldest member ever Yaguchi Mari and the youngest member ever Ogawa Saki was of 13 years.
 * 1) <p style="margin-bottom:0cm">Yaguchi Mari (January 20, 1983)
 * 2) <p style="margin-bottom:0cm">Niigaki Risa (October 20, 1988)
 * 3) <p style="margin-bottom:0cm">Umeda Erika (May 24, 1991)
 * 4) <p style="margin-bottom:0cm">Shimizu Saki (November 22, 1991)
 * 5) <p style="margin-bottom:0cm">Yajima Maimi (February 7, 1992)
 * 6) <p style="margin-bottom:0cm">Tsugunaga Momoko (March 6, 1992)
 * 7) <p style="margin-bottom:0cm">Tokunaga Chinami (May 22, 1992)
 * 8) <p style="margin-bottom:0cm">Murakami Megumi (June 6, 1992)
 * 9) <p style="margin-bottom:0cm">Sudo Maasa (July 3, 1992)
 * 10) <p style="margin-bottom:0cm">Kusumi Koharu (July 15, 1992)
 * 11) <p style="margin-bottom:0cm">Wada Ayaka (August 1, 1994)
 * 12) <p style="margin-bottom:0cm">Ogawa Saki (November 18, 1996)

Aa!
<p style="margin-bottom:0cm">The  age gap between the oldest member ever Tanaka Reina and the  youngest member ever Saho Akari was of 6 years.
 * 1) <p style="margin-bottom:0cm">Tanaka Reina (November 11, 1989)
 * 2) <p style="margin-bottom:0cm">Natsuyaki Miyabi (August 25, 1992)
 * 3) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)
 * 4) <p style="margin-bottom:0cm">Saho Akari (June 8, 1995)

Ujicha♥Taishi Maccha's
<p style="margin-bottom:0cm">​The age gap between the members was of 1 year.
 * 1) <p style="margin-bottom:0cm">Kumai Yurina (August 3, 1993)
 * 2) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)

Peaberry
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">The age gap between the members was of 4 years.
 * 1) Wada Ayaka (August 1, 1994)
 * 2) <p style="margin-bottom:0cm">Sayashi Riho (May 28, 1998)

DIY♡
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">​The age gap between the oldest member Yajima Maimi and the youngest member Iikubo Haruna was of 2 years.
 * 1) <p style="margin-bottom:0cm">Yajima Maimi (February 7, 1992)
 * 2) <p style="margin-bottom:0cm">Tokunaga Chinami (May 22, 1992)
 * 3) <p style="margin-bottom:0cm">Natsuyaki Miyabi (August 25, 1992)
 * 4) <p style="margin-bottom:0cm">Nakajima Saki (February 5, 1994)
 * 5) <p style="margin-bottom:0cm">Iikubo Haruna (November 7, 1994)

GREEN FIELDS
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">​The age gap  between the oldest member Shimizu Saki and  the youngest member Miyazaki Yuka was of 3 years.
 * 1) <p style="margin-bottom:0cm">Shimizu Saki (November 22, 1991)
 * 2) <p style="margin-bottom:0cm">Mitsui Aika (January 12, 1993)
 * 3) <p style="margin-bottom:0cm">Miyazaki Yuka (April 2, 1994)

Harvest
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">​The  age gap  between the oldest member Ishida Ayumi and  the youngest member Sato Masaki was of 2 years.
 * 1) Ishida Ayumi (January 7, 1997)
 * 2) <p style="margin-bottom:0cm">Ikuta Erina (July 7, 1997)
 * 3) <p style="margin-bottom:0cm">Takeuchi Akari (November 23, 1997)
 * 4) <p style="margin-bottom:0cm">Sato Masaki (May 7, 1999)

Dia Lady
<p style="margin-bottom:0cm">The age gap between the members was of 8 days.
 * 1) Sugaya Risako (April 4, 1994)
 * 2) <p style="margin-bottom:0cm">Suzuki Airi (April 12, 1994)

Mellowquad
<p style="margin-bottom:0cm">​ The age gap between the oldest member Yajima Maimi and the youngest member Okai Chisato was of 2 years.
 * 1) <p style="margin-bottom:0cm">Yajima Maimi (February 7, 1992)
 * 2) <p style="margin-bottom:0cm">Tokunaga Chinami (May 22, 1992)
 * 3) <p style="margin-bottom:0cm">Natsuyaki Miyabi (August 25, 1992)
 * 4) <p style="margin-bottom:0cm">Okai Chisato (June 21, 1994)

HI-FIN
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">The age  gap between the oldest member  Nakajima Saki  and the youngest member Ikuta Erina was of 3 years.
 * 1) Nakajima Saki (February 5, 1994)
 * 2) <p style="margin-bottom:0cm">Fukuda Kanon (March 12, 1995)
 * 3) <p style="margin-bottom:0cm">Hagiwara Mai (February 7, 1996)
 * 4) <p style="margin-bottom:0cm">Ishida Ayumi (January 7, 1997)
 * 5) <p style="margin-bottom:0cm">Ikuta Erina (July 7, 1997)

Jurin
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">The age gap between the members was of 5 months.
 * 1) Miyamoto Karin (December 1, 1998)
 * 2) <p style="margin-bottom:0cm">Sato Masaki (May 7, 1999)

Sato no Akari
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">The age gap between the oldest member Katsuta Rina and the youngest member Sato Masaki was of 1 year.
 * 1) Katsuta Rina (April 6, 1998)
 * 2) <p style="margin-bottom:0cm">Uemura Akari (December 30, 1998)
 * 3) <p style="margin-bottom:0cm">Sato Masaki (May 7, 1999)

Triplet
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">The age  gap between the oldest member Okai Chisato and the youngest member Kudo Haruka was of 5 years.
 * 1) Okai Chisato (June 21, 1994)
 * 2) <p style="margin-bottom:0cm">Takagi Sayuki (April 21, 1997)
 * 3) <p style="margin-bottom:0cm">Kudo Haruka (October 27, 1999)

ODATOMO
Names in  bold italics  means they are current Hello! Project members. <p style="margin-bottom:0cm">​The age gap between the members was of 4 years.
 * 1) Kanazawa Tomoko (July 2, 1995)
 * 2) <p style="margin-bottom:0cm">Oda Sakura (March 12, 1999)