One of the most common ways to see if a series has staying power within the community is to see how many doujin works are being shown at Comiket.
Doujin are fan made goods, and respected “doujin analyst” myrmecoleon shared a quick study with fans to highlight the most popular series at Comiket 92.
21My Hero Academia – 107 doujin works
20Blood Blockade Battlefront (Kekkai Sensen) – 122 doujin works
19Hetalia – 147 doujin works
18World Trigger – 158 doujin works
17Yowamushi Pedal – 219 doujin works
16Ensemble Stars – 241 doujin works
15Attack on Titan (Shingeki no Kyojin) – 266 doujin works
14Kuroko no Basket – 267 doujin works
13Tiger & Bunny – 268 doujin works
12Vocaloid – 306 doujin works
11Osomatsu-san – 318 doujin works
10Haikyuu!! – 364 doujin works
9Granblue Fantasy – 380 doujin works
8Girls und Panzer – 420 doujin works
7Yuri!!! on Ice – 552 doujin works
6Love Live! – 576 doujin works
5Nasuverse – 1,129 doujin works
4Touken Ranbu – 1,244 doujin works
3The iDOLM@STER – 1,299 doujin works
2Touhou Project – 1,320 doujin works
1Kantai Collection – 2,329 doujin works
Myrmecoleon notes surprise at how much Touhou Project and Osomatsu-san doujin have fallen within a year. However, Osomatsu-san related goods are expected to increase once season 2 debuts.
Also of note is that myrmecoleon predicts that My Hero Academia will see a big jump, especially on Pixiv on fan favorite Himiko Toga gets screen time in the anime.
Does your favorite series have a lot of recent doujin works?