“Auckland was the fastest growing region in 2023, reversing a population loss in 2022,” Stats NZ's estimates and projections manager Michael MacAskill said.
Auckland grew by 47,000 people, or by 2.8%, in the year ended June 2023. The estimated population as of June was 1.739 million people.
“Otago, Waikato, and Bay of Plenty regions also grew faster than the New Zealand average,” MacAskill said.
Nationally, the population growth of 2.1% was a significant increase from the growth of 0.1% in the previous year (5,800 people).
Net migration was the main contributor (78%) to Auckland’s growth with the remainder attributed to natural increase (births minus deaths).
Numerically, Auckland's net gain from international migration was 47,800. The contribution of natural increase (births minus deaths) in Auckland (10,400) was offset by a net loss of residents moving to areas outside Auckland (11,200).
Net migration for subnational areas includes internal migration (people migrating within New Zealand) and international migration (people migrating between New Zealand and other countries).
“Auckland gained people through international migration, but lost people through internal migration, continuing the pattern since the late 1990s,” MacAskill said.
Otago’s high growth rate (2.7%) was driven by population growth in Queenstown-Lakes district, New Zealand’s fastest-growing territorial authority area over the year.
Queenstown-Lakes grew by 8.0% (or 3,900 people) in the year ended June 2023, following lower growth in 2022 (1.5%). This growth was driven by a net international migration gain of 2,500 people, with net internal migration (1,100) and natural increase (340) making smaller contributions.
Other territorial authority areas growing faster than the New Zealand average include Selwyn district (5.2%), Mackenzie district (3.6%), Hamilton city (3.4%), Auckland and Western Bay of Plenty district (both 2.8%), Waikato and Central Otago districts (both 2.6%), Tauranga city (2.5%), and Waimakariri district (2.2%).
These areas all had population gains through net international migration and natural increase, and all but Auckland and Hamilton city had gains through net internal migration.
“A record 16 out of 67 territorial authority areas experienced natural decrease, or more deaths than births, in the year ended June 2023,” MacAskill said.
The areas with the largest natural decreases included Dunedin city (190 more deaths than births), Thames-Coromandel district (170 more), Kapiti Coast district (160 more), Nelson city (100 more), Whanganui district (90 more), and Timaru district (80 more).
All territorial authority areas with natural decrease, apart from Buller district, still had population growth in the year ended June 2023 due to net migration gains exceeding the natural decrease.
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