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
:

Jeffrey Donaldson To Appeal Conviction For Rape And Sexual Offences
Man Charged Over Grace Lynch's Death Charged With Further Offences
€3M Of Herbal Cannabis Seized At Dublin Airport
Ambulance Dispute Resolved As Union Members Vote For Labour Court Proposals
Oscar-Winning Irish Actress Brenda Fricker Has Died Aged 81
Athy's Adrian Kane Appointed SIPTU Deputy General Secretary
Andy Burnham Sworn In As British Labour Leader
€800M Cost Revealed As Over 6,300 People On Dole For More Than A Decade