And now for some Morning Musume stats post Ogata Haruna graduation:
Age at graduating from Morning Musume oldest to youngest, current members as of 2018-06-20:
1. Nakazawa Yuko at graduation was 27 years, 9 months, 27 days old
2. Michishige Sayumi at graduation was 25 years, 4 months, 13 days old
3. Takahashi Ai at graduatiion was 25 years, 16 days old
4. Iikubo Haruna as of 2018-06-20 is 23 years, 7 months, 13 days old
5. Niigaki Risa at graduation was 23 years, 6 months, 28 days old
6. Tanaka Reina at graduation was 23 years, 6 months, 10 days old
7. Iida Kaori at graduation was 23 years, 5 months, 22 days old
8. Li Chun at graduation was 22 years, 10 months, 4 days old
9. Abe Natsumi at graduation was 22 years, 5 months, 15 days old
10. Yasuda Kei at graduation was 22 years, 4 months, 29 days old
11. Fujimoto Miki at resignation was 22 years, 3 months, 26 days old
12. Yaguchi Mari at resignation was 22 years, 2 months, 25 days old
13. Yoshizawa Hitomi at graduation was 22 years, 24 days old
14. Kamei Eri at graduation was 21 years, 11 months, 22 days old
15. Ishiguro Aya at graduation was 21 years, 7 months, 26 days old
16. Fukumura Mizuki as of 2018-06-20 is 21 years, 7 months, 21 days old
17. Ishida Ayumi as of 2018-06-20 is 21 years, 5 months, 13 days old
18. Ikuta Erina as of 2018-06-20 is 20 years, 11 months, 13 days old
19. Ishikawa Rika at graduation was 20 years, 3 months, 18 days old
20. Qian Lin at graduation was 19 years, 9 months, 4 days old
21. Konno Asami at graduation was 19 years, 4 months, 16 days old
22. Mitsui Aika at graduation was 19 years, 4 months, 6 days old
23. Ogata Haruna at graduation was 19 years, 4 months, 5 days old
24. Oda Sakura as of 2018-06-20 is 19 years, 3 months, 9 days old
25. Sato Masaki as of 2018-06-20 is 19 years, 1 month, 13 days old
26. Ogawa Makoto at graduation was 18 years, 9 months, 29 days old
27. Nonaka Miki as of 2018-06-20 is 18 years, 8 months, 13 days old
28. Kaga Kaede as of 2018-06-20 is 18 years, 6 months, 21 days old
29. Morito Chisaki as of 2018-06-20 is 18 years, 4 months, 1 day old
30. Kudo Haruka at graduation was 18 years, 1 month, 14 days old
31. Suzuki Kanon at graduation was 17 years, 9 months, 26 days old
32. Sayashi Riho at graduating was 17 years, 7 months, 3 days old
33. Kusumi Koharu at graduation was 17 years, 4 months, 21 days old
34. Makino Maria as of 2018-06-20 is 17 years, 4 months, 18 days old
35. Yokoyama Reina as of 2018-06-20 is 17 years, 3 months, 29 days old
36. Tsuji Nozomi at graduation was 17 years, 1 month, 15 days old
37. Goto Maki at graduation was 17 years old
38. Kago Ai at graduation was 16 years, 5 months, 25 days old
39. Ichii Sayaka at graduation was 16 years, 4 months, 20 days old
40. Haga Akane as of 2018-06-20 is 16 years, 3 months, 13 days old
41. Fukuda Asuka at graduation was 14 years, 4 months, 1 day old
The average age of the group dropped slightly from 18.923 to 18.917
The new 12 member lineup becomes the 40th lineup. The previous 13 member lineup (Kudo Haruka graduation to Ogata Haruna graduation) with 1 single ends at 6 months, 9 days and is the 16th longest lineup.
Thursday, June 21 2018, the day after Ogata Haruna's gruaduation, Nonaka Miki, Makino Maria, and Haga Akane pass her on the Morning Musume tenurs list. Haa-chin ends up at 33rd:
1. Michishige Sayumi is at 11 years, 10 months, 7 days
2. Niigaki Risa is at 10 years, 8 months, 22 days
3. Tanaka Reina is at 10 years, 4 months, 2 days
4. Takahashi Ai is at 10 years, 1 month, 4 days
5. Kamei Eri is at 7 years, 10 months, 26 days
6. Fukumura Mizuki and Ikuta Erina are at 7 years, 5 months, 19 days
8. Iida Kaori is at 7 years, 4 months, 23 days
9. Yoshizawa Hitomi is at 7 years, 20 days
10. Yaguchi Mari is at 6 years, 11 months, 11 days
11. Iikubo Haruna, Ishida Ayumi and Sato Masaki are at 6 years, 8 months, 23 days
14. Abe Natsumi is at 6 years, 4 months, 18 days
15. Kudo Haruka is at 6 years, 2 months, 12 days
16. Oda Sakura is at 5 years, 9 months, 7 days
17. Mitsui Aika is at 5 years, 5 months, 8 days
18. Suzuki Kanon is at 5 years, 4 months, 29 days
19. Ishikawa Rika is at 5 years, 21 days
20. Yasuda Kei is at 5 years, 2 days
21. Ogawa Makoto is at 5 years, 1 day
22. Sayashi Riho is at 4 years, 11 months, 29 days
22. Konno Asami is at 4 years, 10 months, 27 days
24. Kusumi Koharu is at 4 years, 7 months, 5 days
25. Fujimoto Miki is at 4 years, 4 months, 13 days
26. Tsuji Nozomi and Kago Ai are at 4 years, 3 months, 16 days
28. Li Chun and Qian Lin are at 3 years, 9 months
30. Nonaka Miki, Makino Marina and Haga Akane are at 3 years, 8 months, 22 days
33. Ogata Harunais at 3 years, 8 months, 21 days
34. Nakazawa Yuko is at 3 years, 7 months, 8 days
35. Goto Maki is at 3 years, 1 month, 1 day
36. Ishiguro Aya is at 2 years, 4 months
37. Ichii Sayaka is at 2 years, 18 days
38. Fukuda Asuka is at 1 year, 7 months, 11 days
39. Kaga Kaede and Yokoyama Reina are at 1 year, 6 months, 9 days
41. Morito Chisaki is at 11 months, 26 days