Ireland's population is set to grow to 5.3m over the next 45 years.
The European Commission's Ageing Report has said life expectancy in Ireland will increase from 79 to 85 years for men by 2060; and from 83 to 89 years for women.
Fertility rates are expected to decrease slightly and the elderly population will increase significantly from almost 3% of the population to almost 11%.
It means we'll have to spend more on healthcare, long term care and pensions.
If you want to read the report in full, you can do so here.