Sir Robert Gordon Menzies served for 18 years, 5 months and 12 days in total, over several terms on two different occasions:
He was a good preiminister and he did wat he said he was
They can stay in office has long as the prime minster 4 years. And can serve as many times as long as there re elected
they stay in office for two days.
The pope will stay in office till his death or if he resigns. Which is highly unlikely. Hope that helps!
For life!
2 years
6 years
For as long as they want to or for as long as dthey can
One can book good deals to stay at the Menzies Hotel in Sydney when one goes to the websites of Trip Advisor, Booking Buddy, Book It, as well as Kayak, etc.
A prime minister in Belgium can stay in office until removed or voluntarily leave office. She or he can also be removed from office by a new election.
Up to 4 years :)
Senators can be in office for how ever long they are elected for but the election for new senators is every 6 years.