The biggest increases were in transport, housing, water, electricity, gas and other fuels.
Inflation is at its highest level in 38 years, according to latest figures from the Central Statistic Office.
The cost of living rose 9.1% between June last year and this year - the highest rate of increase since 1984.
The most significant increases were in transport, housing, water, electricity, gas and other fuels.
It comes as the ministers for finance and public expenditure have been appearing at an Oireachtas Committee.
Elsewhere, Agricultural feed prices are up a third in the year to May.
CSO figures also show fertiliser prices are up 164% and energy input costs up by just over 50% in the year.
Overall the agricultural input price index rose by 41.6% in the 12 months to May.
Finance Minister Paschal Donohoe was asked whether he still thinks not holding an emergency budget was the right call:
Investigations Continue In Finglas After A Man Was Stabbed To Death
Major Irish Retailers Discontinue Straffan Resident Conor McGregor’s Alcohol Products After Lawsuit Loss
Taoiseach Denies Fine Gael Attempted To Stop RTE Posting His Interaction With A Care Worker
Over 100 People Evacuated After Fire Breaks Out At Reception Centre In Kilbride Military Camp
Man's Assault Charge Upgraded To Murder After Canadian Tourist Dies Following Dublin Attack
Watch: Two Hundred UNIFIL Troops Arrived Home This Afternoon After Six Months In Lebanon
Watch: Wicklow Council Rejects Refugee Village's Bid to Legalise Unapproved Buildings Near Blessington
Sinn Féin Leader Mary Lou McDonald Claims The Taoiseach's Encounter With A Disability Worker In Cork Shows A "Power" That Doesn't Listen
