In the past twenty years, Japan has had more than 10 leaders.
In fact, one expert likens taking up the country's top job to taking a "poisoned chalice".
However, what is the reason does Japan keep changing leaders? It's due in part of it being a "one-party democracy", explains Professor James Brown of Temple University in Japan.
The LDP's grip on the country's politics means the main political competition comes from inside the party, instead of from external parties.
"So within the LDP there are vicious struggles within various groups - they all want their own faction to secure the leadership position."
"So even though you could be chosen as prime minister, as soon as you're in office, you have many individuals manoeuvring to try to get you out again."
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Lauren Wilson
Lauren Wilson
Lauren Wilson