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Immigration is often a hot-button issue, but it's particularly so in some Western nations right now - with raids and deportations of migrants in the US and anti-migrant protests in the UK and Australia.
So it has been in New Zealand at various points in the past 40 years: Dawn Raids of Pacific overstayers continued into the early 1980s, and there was a backlash against a rise in migration from Asia in the '90s.
A new book details New Zealand's immigration policies between 1980 to 2020 - right before the pandemic shut our borders completely.
Edges of Empire looks at how the country went from a largely Pakeha population at the beginning of the 80s to today's megadiversity.
The social scientists and authors, Francis Collins, Alan Gamlen, Neil Vallelly spoke at length to fifteen former Immigration Ministers as part of their research. Francis tells Kathryn they were surprisingly candid.