"You (Australia) should actually change their flag and appreciate the fact that we first got there with this design," added Peters, who is campaigning for Prime Minister Jacinda Ardern during her maternity leave.
The flags are indeed similar , Both are based on the British ensign, with a dark blue background, a United Kingdom Union flag in the upper left corner and the star constellation Southern Cross.
Among the few distinguishing features is that Australia's stars are white, rather than red, and the flag also features a seven point extratern representing the Australian states and territories.
New Zealand's flag was adopted in 1902, five decades before Australia's current flag was officially recognized in 1954. Although various versions of the Australian flag have been used since 1901.
Tender Time in NZ Australia's Relationships
This is not the first time that New Zealand has wrestled with its flag design – in 2016, the country held a referendum on whether to discard the Union Jack and switch to a silver fern design.