Here are the manga and light novel sales rankings for the fiscal year of 2015 (November 17, 2014 - November 22, 2015).
Manga Sales by Series
*1. 14,102,521 One Piece
*2. 10,304,112 Nanatsu no Taizai
*3. *8,778,048 Shingeki no Kyojin
*4. *8,605,861 Ansatsu Kyoushitsu
*5. *8,569,215 Kingdom...