This poll from Playstation Japan's official twitter. The poll is for base Persona 5, not Royal
1st - Main Character
2nd - Makoto Niijima
3rd - Goro Akechi
4th - Futaba Sakura
5th - Yusuke Kitagawa
6th - Morgana
7th - Haru Okumura
8th - Ann Takamaki
9th - Ryuji Sakamoto