So I'm curious: can you move to Australia at 64, work for one year, retire, and receive a full income from social security?
To collect the pension you simply need to be lawfully living in the country (e.g. citizen or permanent resident status), have made NZ your primary/main country of residence (usually by living and working here), and you must have lived in New Zealand for 10 years since the age of 20, of which five of the years must have been since the aged of 50 years.
If the above applies to you, you should sign on and start getting your $792.34 per fortnight :-)
What we call "super" you'd call KiwiSaver, except over here it's mandatory. I suspect the NZ use of the term "superannuation" is probably closer to the original/traditional use of the term.
In my mind, this is fairer than the US system, but there is a good case to be made that keeping elements of a "contributory" system helps to maintain political support for the welfare state among people who are a bit more, um, selfish.
(An interesting piece I read a while ago that describes how the "contributory" nature of Australia's social security system in the 1940s was actually just a cover for a general tax increase: http://www.abc.net.au/news/2014-05-27/berg-chifleys-politica...)