Almost half expect to have to take on a job to supplement their retirement income.
A senior lecturer in housing says hundreds of thousands of renters could end up calling on the state for help in their later years.
It's after a new survey from Aviva found over 780,000 people are worried they'll be paying rent or a mortgage into retirement.
Almost a third say they have no idea how they'll pay those bills.
Senior lecturer in housing at TU Dublin, Dr Lorcan Sirr, says it could impact government finances down the line:
Almost half of those surveyed also expect to have to take on a job to supplement their retirement income.
Lorcan Sirr says a rethink of the country's housing strategy is needed
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