2015’s TV anime by source material

Barring some surprise late announcements we know all the tv anime airing this year by now, so I decided (prompted by an amusingly inaccurate claim on MAL) to calculate and post these figures.

Total: 197 TV anime
82 manga (41.6%)
54 original (27.4%)
25 light novel (12.7%)
14 game (7.1%)
03 picture book
03 visual novel
03 card game
03 novel
02 ???
02 book
02 otome game
01 radio programme
01 manhua
01 childrens book
01 song

read more for breakdown by season

Winter: 37 anime
12 original (32.4%)
12 manga (32.4%)
7 light novel (18.9%)
4 game (10.8%)
1 picture book
1 ???

Spring: 59 anime
25 manga (42.4%)
14 original (23.7%)
6 game (10.2%)
4 light novel (6.8%)
3 visual novel
2 book
2 card game
1 picture book
1 otome game
1 novel

Summer: 37 anime
19 manga (51.3%)
9 original (24.3%)
5 light novel (13.5%)
2 game (5.4%)
1 radio programme
1 manhua

Autumn: 64 anime
26 manga (40.6%)
19 original (29.7%)
9 light novel (14.1%)
2 game (4.1%)
2 novel
1 otome game
1 childrens book
1 ???
1 song
1 card game
1 picture book

data taken from livechart.me

NB:
“manga” includes “4-koma manga”, “web manga” and “digital manga”
“otome game” and “visual novel” are listed separately from one another, as well as from “game”