This post updates data for New Zealand. It shows how much the rate of improvement in mortality has slowed in the years 2010-2018 compared to 2000-2010.
In some countries, life expectancy improvements are now not just slowing down, but for some groups within national populations, stalling and even going backwards. This post confirms New Zealand has fared better than Australia, and both are in a better position than Great Britain (GB).
Superannuation is not just a cost problem. We should recognise that people hold strong views on the social value of retirement income and want stability, not reform.