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Indian Commerce and Industry Minister Piyush Goyal and New Zealand's Trade Minister Todd McClay sign the free-trade agreement.
In a recent poll immigration didn't even make the top 10 list of issues - but politicians are raising concerns over its effects
The latest figures on New Zealand's population show we had net migration in the year to March of 24,200 people - fewer people leaving the country and more coming in than the same time last year.
But is that the optimal figure? What is the immigration sweet spot? And is it really a problem that needs to be solved, or a vote-catcher for the generally disgruntled?
