Both countries have very few cases and will allow travellers to go back and forth without quarantine.
Read moreJacinda Ardern
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Video caption: New Zealand election: Ardern claims victory Jacinda Ardern thanks voters as her Labour Party looks set to win New Zealand's general election outright.
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Video caption: New Zealand election: Jacinda Ardern's key leadership moments Ahead of a general election in New Zealand, a look back at Jacinda Ardern's key leadership moments.
Jacinda Ardern postpones New Zealand elections over coronavirus fears
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Video caption: Opposition parties had called for the prime minister to delay the vote Opposition parties had called for the prime minister to delay the vote
By Anna Jones
BBC News
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Video caption: 'I did a little dance': Ardern confirms New Zealand is free of Covid-19 New Zealand's Prime Minister Jacinda Ardern declares there are now "no active cases" of Covid-19 there.
Ardern takes mid-interview earthquake in her stride
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Video caption: New Zealand's PM stayed calm during an earthquake on live TV Prime Minister Jacinda Ardern carries on a live TV interview as an earthquake hits parliament.
Ardern takes mid-interview earthquake in her stride
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Video caption: The New Zealand Prime minister laughed off an earthquake during an interview Video content
Video caption: New Zealand's PM stayed calm during an earthquake on live TV Prime Minister Jacinda Ardern carries on a live TV interview as an earthquake hits parliament.
By Justin Harper
Business reporter