Also our wages are low. Look at the current job postings. https://www.seek.co.nz/Software-Developer-jobs
Then take into account that $1 NZD is equal to 0.59742741 US Dollars. So if you are earning $100k in NZD that is not even $60k USD. Our national average house price is $888,999. It's much higher in big cities. Our food costs are rapidly increasing as well. I pay over $1,000 NZD for power and gas.
Smart developers are leaving.