Long live the King, as the saying goes, but how long will that be? We aren't referring to Charles' health, but his role.
It has been predicted by some in the UK that the monarchy could be on its last legs by 2030 - but our own Prime Minister - a self-described republican - says it is not something he will be actively pursuing.
Dr Cindy McCreery is an historian from the University of Sydney who has a special interest the Modern monarchy and colonialism.
Photo: RNZ / Katie Scotcher