More than two out of every three young Irish adults were still living at home last year, according to new data from Eurostat, the statistical office of the European Union.
Its latest figures show that 68% of Irish adults aged between 25 and 29 were still living at home last year.
That is in sharp contrast to rates in other European countries, such as Denmark (4.4%), Finland (5.7%) and Sweden (6.3%).
The EU average is 42%.
The figures are presented via a series of quizzes in Eurostat's 'Young Europeans' tool, which allows people between 16 and 29 years old to compare themselves with other young people on the continent.
Commenting on the figures, Labour leader and Spokesperson on Housing Ivana Bacik said: "Today's figures reveal the stark social consequences of the housing crisis, which represents a lived reality for too many of our young people.
"Unaffordable rents and skyrocketing house prices have meant that young people are living at home with parents for longer, putting off big life moments like living independently or moving in with friends or a partner. And this generational crisis is getting worse.
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"The number of those living at home with their parents has doubled in a decade, and Ireland is way above the EU average."
According to the 'Young Europeans' research, 61% of women in Ireland aged between 25 and 29 are still living at home, while 74% of men have yet to move out.
Despite the high rates, the survey says almost half (45.4%) of young people in this age group describe their life satisfaction as high, compared to 3.6% who said it was "low".
