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migration: May 2021 – Infoshare tables – Information release

14 July 2021

International migration statistics give the
latest outcomes-based measure of migration, which includes estimates of
migrants entering or leaving New Zealand.

Key facts

The comparisons between the May 2021 and
2020 months and years use the latest provisional estimates for each period.

The provisional estimates have 95 percent
confidence intervals (±) beside them – the wider the interval, the greater
the uncertainty about the estimate. However, these intervals reflect the
model uncertainty, not the extent of future revisions to provisional data.

Provisional migration estimates are revised
each month until they are finalised after 16 months. Migration data transformation
has more information about the migration estimates, including the 12/16-month


Year ended May 2021 (compared with year ended
May 2020) provisional estimates were:

  • migrant arrivals – 42,600 (± 600), down
    75 percent
  • migrant departures – 36,800 (± 400), down
    55 percent
  • annual net migration gain – 5,700 (± 600),
    down from 87,500 (± 20).

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