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:

29 New Jobs To Be Created As Chemist Warehouse To Open In Naas Tomorrow
Date Set For Jozef Puska's Appeal Against His Conviction For The Murder Of Ashling Murphy
Vulnerable Adults, Some Using Wheelchairs, Forced To Share Inaccessible Vehicles At Kildare HSE Service
“Grabbed By the Neck”: Founder Tells Kildare Today Why She Launched New Female-Focused Taxi Service
Just 75% Of Landowners On Board So Far As Uisce Eireann Submits Plans For Major Water Supply Project
Two Kildare Animal Charities Share €170k Fund As Animal Welfare Costs Continue To Mount
Call To Make Extended Christmas Train Timetable Permanent For Commuter Towns
Roadside Memorial Ban Proposal Criticised Over Christmas Timing