AOSC: This week's #1 artists by age:
14 - 1997-08-11 - Kanon Kimoto (SKE48)
14 - 1997-03-08 - Jurina Matsui (SKE48)
15 - 1996-02-11 - Yuria Kizaki (SKE48)
15 - 1995-12-24 - Minami Hara (SKE48)
16 - 1995-06-13 - Shiori Kaneko (SKE48)
17 - 1994-06-13 - Kumi Yagami (SKE48)
19 - 1992-09-15 - Shiori Ogiso (SKE48)
19 - 1992-09-01 - Hye-Rim (Wonder Girls)
19 - 1992-07-22 - Selena Gomez (Selena Gomez & The Scene)
19 - 1992-06-27 - Sohee (Wonder Girls)
19 - 1992-02-16 - Mizuki Kuwabara (SKE48)
19 - 1991-11-29 - Akane Takayanagi (SKE48)
20 - 1991-11-14 - Kanako Hiramatsu (SKE48)
20 - 1991-10-31 - Akari Suda (SKE48)
20 - 1991-07-27 - Rena Matsui (SKE48)
21 - 1990-11-06 - Masana Oya (SKE48)
22 - 1989-08-12 - Sunye (Wonder Girls)
22 - 1989-05-31 - Pablo Alboran
22 - 1989-05-26 - Yeeun (Wonder Girls)
23 - 1988-10-04 - Yubin (Wonder Girls)
23 - 1988-09-14 - Sawako Hata (SKE48)
23 - 1988-05-05 - Adele
23 - 1988-02-20 - Rihanna
23 - 1987-11-24 - Haruka Ono (SKE48)
24 - 1987-09-09 - Afrojack
25 - 1986-08-23 - SkyBlu (LMFAO)
25 - 1986-08-02 - Nayer
25 - 1986-03-18 - Lykke Li
26 - 1985-01-21 - Aura Dione
27 - 1984-08-20 - Carminho
27 - 1984-01-17 - Calvin Harris
28 - 1983-04-23 - Taio Cruz
30 - 1981-05-21 - Joey Clement (Selena Gomez & The Scene)
30 - 1981-01-15 - Pitbull
32 - 1979-10-18 - Ne-Yo
32 - 1979-09-17 - Flo Rida
33 - 1978-06-24 - Emppu Vuorinen (Nightwish)
33 - 1978-04-21 - Jukka Nevalainen (Nightwish)
34 - 1976-12-25 - Tuomas Holopainen (Nightwish)
36 - 1975-09-03 - RedFoo (LMFAO)
39 - 1972-06-22 - Jeroen van der Boom
40 - 1971-06-21 - Anette Olzon (Nightwish)
43 - 1968-04-06 - Akos
45 - 1966-01-14 - Marco Hietala (Nightwish)
The following artists aren't included on the list because you can't determine the dates of their birthdays: Dane Forrest, Ethan Roberts, Greg Garman (all of Selena Gomez & the Scene) and Imany (she was born in 1979 but the exact date is not known).