Let's see how each of the Vocaloid's did in 2014! Popularity wise.
Please note: These graphs are based on statistics from Nico Nico Douga. (A popular Japanese video sharing site)
Non-Japanese Vocaloids whose works are mainly posted on video sharing websites will not be accurately represented.
Click the link for the graphs.
(Top 20 Japanese, only listed. From most popular to least)
1. Hatsune Miku (Jpn and Eng VB)
2. Gumi (Jpn and Eng VB)
3. Kagamine Rin
5. KAITO (Jpn and Eng VB)
6. Kagamine Len
7. Megurine Luka (Jpn and Eng VB)
8. Yuzuki Yukari
9. MEIKO (Jpn and Eng VB)
10. Camui Gackpo
12. Nekomura Iroha
13. Aoki Lapis
17. ZOLA Project (YUU, WIL, KYO)
18. Tohoku Zunko
The unlucky Japanese Vocaloids bringing up the rear:
33. Anon and Kanon, YOHIOloid (Jpn + Eng vb)
38. SeeU (Jpn and Kor VB)
(Top 7 English, only listed. From most popular to least)
33. YOHIOloid (Jpn + Eng vb)
41. BIG AL
The unlucky English Vocaloids bringing up the rear:
48. Sweet ANN
(Top Chinese. From most popular to least)
39. Luo Tianyi
(Top Spanish. From most popular to least)
Overall with the new Vocaloids released in 2014 (No updates to previous Vocaloids): Rana was the most popular introduced whereas Chika was the least popular introduced.
Of course, Miku maintains her popularity and gains momentum. Tohoku Zunko started strong but wasn't able to maintain her popularity for a while. There is a sharp decline in popularity for Gumi, whereas KAITO had a huge boost in popularity, pushing him to #5. Megurine Luka and IA are both loosing a bit of popularity.
Please see the link above if you want to know how well all of the VOCALOID's did. We only listed some.