Increases in longevity mean the size of New Zealand's public retirement income programme, New Zealand Superannuation, will automatically expand unless the age of eligibility is increased. This paper analyses the consequences of expanding New Zealand Superannuation on a save-as-you-go basis...

This paper analyses how much different cohorts can expect to contribute into the PAYGO-funded New Zealand Superannuation scheme, and contrasts it with the amount each cohort can be expected to obtain in benefits if the current scheme is continued. The analysis is based on historic census and...