Over the last two decades, the country has seen more than 10 leaders.
Actually, one expert compares taking up the nation's top job to drinking from a "poisoned chalice".
However, what is the reason does Japan frequently replace leaders? It's due in part of it being a "single-party system", says Prof James Brown of Temple University Japan.
The LDP's grip on the political landscape means the main political competition comes from within the party, rather than from external parties.
"Therefore inside the LDP there are intense conflicts within different factions - they all desire their own clique to get the leadership position."
"So even though you could be selected as leader, the moment you're in power, you have many individuals manoeuvring to try to remove you again."
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