New Zealand's Prime Minister Jacinda Ardern and Director General of Health Ashley Bloomfield attend a news conference on the coronavirus disease (COVID-19) pandemic in Wellington, New Zealand, February 17, 2021. Picture taken February 17, 2021. REUTERS/Praveen Menon

New Zealand's Prime Minister Jacinda Ardern speaks at a news conference on the coronavirus disease (COVID-19) pandemic in Wellington, New Zealand, February 17, 2021. Picture taken February 17, 2021. REUTERS/Praveen Menon

New Zealand's Director General of Health Ashley Bloomfield attends a news conference on the coronavirus disease (COVID-19) pandemic in Wellington, New Zealand, February 17, 2021. Picture taken February 17, 2021. REUTERS/Praveen Menon

New Zealand's Prime Minister Jacinda Ardern speaks at a news conference on the coronavirus disease (COVID-19) pandemic in Wellington, New Zealand, February 17, 2021. REUTERS/Praveen Menon

New Zealand's Foreign Minister Nanaia Mahuta speaks during an interview in Wellington, New Zealand December 15, 2020. REUTERS/Jonathon Molloy

New Zealand's Foreign Minister Nanaia Mahuta speaks during an interview in Wellington, New Zealand December 15, 2020. REUTERS/Jonathon Molloy

Cows graze near wind farms on the east coast region of Hawke's Bay, New Zealand October 30, 2020. Picture taken October 30, 2020. REUTERS/Praveen Menon

General view of wind farms on the east coast region of Hawke's Bay, New Zealand October 30, 2020. Picture taken October 30, 2020. REUTERS/Praveen Menon

Residents and tourists walk in Napier, a small coastal city in the wine-producing region of Hawke's Bay, New Zealand October 30, 2020. Picture taken October 30, 2020. REUTERS/Praveen Menon

General view of wind farms on the east coast region of Hawke's Bay, New Zealand October 30, 2020. Picture taken October 30, 2020. REUTERS/Praveen Menon

Répartition des sièges entre les principaux partis néo-zélandais depuis 1990

UPDATE 2020 results Seat share by major parties since 1990

Finance Minister Grant Robertson addresses Labour Party supporters at an event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

Prime Minister Jacinda Ardern addresses her supporters at a Labour Party event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

Prime Minister Jacinda Ardern addresses her supporters at a Labour Party event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

Prime Minister Jacinda Ardern addresses her supporters at a Labour Party event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

Prime Minister Jacinda Ardern addresses her supporters at a Labour Party event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

Prime Minister Jacinda Ardern addresses her supporters at a Labour Party event in Wellington, New Zealand, October 11, 2020. REUTERS/Praveen Menon

New Zealand's Prime Minister Jacinda Ardern smiles during a campaign outing at Mangere Town Centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Mangere Town Centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern smiles during a campaign outing at Mangere Town Centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall TPX IMAGES OF THE DAY

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern speaks to supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern speaks to supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern speaks to supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern speaks to supporters during a campaign outing at Mangere town centre and market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern takes pictures with supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere Town Centre and Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere Town Centre and Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Mangere Town Centre and Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern (C) greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

New Zealand's Prime Minister Jacinda Ardern greets supporters during a campaign outing at Otara Market in Auckland, New Zealand, October 10, 2020. REUTERS/Fiona Goodall

National leader Judith Collins has her hair sprayed as she participates in a televised debate with New Zealand Prime Minister Jacinda Ardern at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

National leader Judith Collins addresses the media after participating in a televised debate with New Zealand Prime Minister Jacinda Ardern at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern addresses the media after participating in a televised debate with National leader Judith Collins at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern and National leader Judith Collins participate in a televised debate moderated by John Campbell at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern and National leader Judith Collins participate in a televised debate moderated by John Campbell at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern (L) and National leader Judith Collins participate in a televised debate at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern (L) and National leader Judith Collins participate in a televised debate at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

National leader Judith Collins addresses the media after participating in a televised debate with New Zealand Prime Minister Jacinda Ardern at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern (L) and National leader Judith Collins participate in a televised debate at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS

New Zealand Prime Minister Jacinda Ardern (L) and National leader Judith Collins participate in a televised debate at TVNZ in Auckland, New Zealand, September 22, 2020. Fiona Goodall/Pool via REUTERS