Older immigrants enrolled in tertiary study in order to access interest-free student loans because they were not eligible to get benefits or superannuation, Tertiary Education, Skills and Employment Minister Steven Joyce says.
Mr Joyce said there was "significant evidence" of the practice, and made his comments in explaining why the numbers of older tertiary students have dropped.
The national student union and lobby group Grey Power publicised the drop in older student numbers yesterday, and blamed Government cuts.
The total number of New Zealanders aged 55 and over enrolled in tertiary study has dropped from over 33,000 in 2008 to less than 19,000 in 2014, Grey Power said.
Grey Power president Terry King said the Government had cut support for life-long learning.