Template:Did you know...

...that Fukumura Mizuki is the youngest sub-leader, and the first former Hello! Pro Kenshuusei to become sub-leader of Morning Musume.

...that Kominato Miwa of T&C Bomber was a part of the Sharan Q audition where Heike Michiyo and Morning Musume began, but dropped out to give birth to her second child.

...that Nakayama Nana is the only Hello! Project member to have a relative in Johnny's Jimusho.

...that Natsuyaki Miyabi is the only Hello! Project member to have a relative in AKB48.

...that Arai Manami is the first Hello! Project member to be born after the debut of Heike Michiyo and Morning Musume.

...that nine former Morning Musume members got married, that being Ishiguro Aya, Ichii Sayaka, Iida Kaori, Tsuji Nozomi, Fujimoto Miki, Yaguchi Mari, Nakazawa Yuko, Kago Ai, and Yasuda Kei.

...that Ichii Sayaka and Yaguchi Mari are the only former Morning Musume member to get a divorce.

...that Hirano Tomomi joined Hello! Project at the age of 25 in 2009, making the eldest member in Hello! Project during her time in the group.

...that Aiko is the youngest person to join Hello! Project and the first Hello! Project member to be born after the Hello! Project name was established.

...that S/mileage's Takeuchi Akari is the cousin of ℃-ute's Yajima Maimi.

...that the year 2009 had the most graduations in the history of Hello! Project (27).

...that Takahashi Ai, Niigaki Risa, Michishige Sayumi and Tanaka Reina are the only members that turned 10 years being in Morning Musume.

...that Takahashi Ai became the second Morning Musume member to be at least 25 years old and the first to reach that age while in the group (original member Nakazawa Yuko was 24 when the group was formed).

...that Takahashi Ai and Niigaki Risa are the longest serving leader and sub-leader of Morning Musume.

...that Ichii Sayaka is the first Morning Musume to graduate at Nippon Bukodan.

...that Niigaki Risa had the longest tenures as member of the group, and she participated in the most number of Morning Musume singles, with 37.

...that Niigaki Risa was the first member that postponed her graduation. ...that Sayashi Riho and Suzuki Kanon are the first members of Morning Musume to be born after the group's formation.

...that Mitsui Aika was the youngest member in Morning Musume for 4 years.

...that Yaguchi Mari was the smallest Morning Musume member at only 145 cm (4 ft. 9 in.) and 39 kg (86 lbs.).

...that only 2 current pairs Hello! Project members share the last name that are not siblings: ℃-ute's Suzuki Airi and Morning Musume's Suzuki Kanon; S/mileage's Wada Ayaka and Hello! Pro Kenshuusei's Wada Sakurako.

...that 2 of the 3 former members of ℃-ute became models after leaving.

...that ℃-ute is the first group in Japan to Broadcast a concert live on YouTube, Buono! is the second group, and S/mileage is the third group.

...that everyone in the group MilkyWay was a soloist.

...that all ℃-ute members have a pet.

...that all main groups in Hello! Project have least one Graduation.

...that ℃-ute is the smallest main group with 5 members.

...that when Kudo Haruka joined Morning Musume, she broke the record that Kago Ai set in 2000 of being the youngest member in the group.

...that in 2011, S/mileage has had the most line-up changes in a short period of time. (Adding of 5 members, yet loss of 3 members.)

...that only 4 members in Hello! Project have left due to a medical condition, illness, or injury: Arihara Kanna (℃-ute), Kamei Eri (Morning Musume), Kosuga Fuyuka (S/mileage), and more recently Mitsui Aika (Morning Musume).

...that in 2011, the most current members were added since Hello! Project Kids back in 2002: 8 New members in Morning Musume, and 4 new members in S/mileage.

...that since 2009 and till 2011, every last single of Morning Musume of the year was the last single for a graduating member (Kimagure Princess, Onna to Otoko no Lullaby Game and Kono Chikyuu no Heiwa wo Honki de Negatterun da yo!/Kare to Issho ni Omise ga Shitai!).

...that singer Koda Kumi auditioned, along with Goto Maki, for Morning Musume's 3rd Generation, but failed.

...that AKB48 members Umeda Ayaka (2004), Kashiwagi Yuki and Sato Sumire (2006), SKE48 member Furukawa Airi (2005), HKT48 member Tashima Meru, 'SDN48'' member Noro Kayo, all auditioned for the Morning Musume, but failed.

...that AKB48 member Kojima Haruna would have rather auditioned for Morning Musume than AKB48.

...that AKB48 member Maeda Atsuko's first CD that she ever bought was LOVE Machine.

...that Akimoto Yasushi got inspired by H.P. All Stars, having over 40 members, and decided to create AKB48 to have more members.

...that former Morning Musume member, Konno Asami, is the first member who left Hello! Project and came back. Recently, she left Dream Morning Musume again to become a TV Tokyo announcer.

...that 2010 is the only year when Morning Musume released 2 albums (10 MY ME in March and Fantasy! Juuichi in December).

...that out of the Morning Musume 11 Generations, 1st Generation is the only generation to have 5 members.

...that Mitsui Aika was the only 8th gen member for 4 months.

...that Tsuji Nozomi and Kago Ai were the only Hello! Project members to set a Guinness World Record by spinning the largest Hula Hoop in January 2003 to June 2003 and January 2004 until September 2005, but they appeared in the 2006 addition until 2007.

...that all main artists of Hello! Project have released Double A-side single.

...that Berryz Koubou was the first main Hello! Project unit to released more than 1 Double A-side single.

...that Morning Musume's 8th generation member Mitsui Aika is the first person since the Elder Club's graduation in 2009 to graduate from the group without graduating from Hello! Project.

...that Morning Musume's new leader, Michishige Sayumi, is the first leader to not previously be a sub-leader since the creation of the sub-leader position.

...that after Niigaki Risa's graduation in 2012, all Hello! Project members were born in Heisei Period.

...that One•Two•Three/The Matenrou Show became first Morning Musume single where all members are born in the same period since AS FOR ONE DAY in 2003.

...that Takahashi Ai's and Maeda Yuuka's last singles in Hello! Project were released on their birthdays.

...that Sayashi Riho and Tamura Meimi were in plays with members from their group before they joined the group.

...that most members of Hello! Project have Type A blood.