That's despite economy-wide income growth over the last 30 years.
Poverty and deprivation are still high for lone parent families.
The incidence of income poverty and deprivation remains closely linked to the absence of anyone in paid work.
The new ESRI research also shows income growth has been strong over the last 3 decades.
Its Economist, Barra Roantree says income inequality came down before covid 19, but some groups are suffering:
Income growth increased up by 3.6 per cent per year for those on the lowest incomes and rose 2.7 per cent for the highest earners.
But Barra Roantree says lone parents are going through high levels of poverty:

Over 1,500 Drivers Caught Speeding During Bank Holiday Garda Operation
NAMA Officially Being Dissolved Today
17-Year-Old Found Guilty Of Murder Of Father-Of-Five In Cork
Highest Number Of Home Completions In First Half Of Year Since 2011, Despite Q2 Decline
Over 4,500 Fish Found Dead In Cavan
Daniel Kinahan Set To Face Trial In Ireland
Cabinet Signs Off On E-Scooter Ban For Under 18s
Singer-Songwriter Glen Hansard Dies In A Motorbike Crash