Upcoming elections:

Japan: Possible coalitions

Seat distribution based on the election trend

465
JCP
29
CDP
64
LDP
318
Ishin
54
Majority requires 233 seats

Important coalition options

LDP
68.4
CDP
13.6
Ishin
11.7

Many other coalition possibilities

LDP + Ishin
80.1
LDP
68.4
CDP
13.6
Ishin
11.7
JCP
6.3