Your inflation rate may be higher than 3.4% — who is being hit hardest in Ireland?

News analysis · 29 September 2026. The household figures below are CSO estimates, not a personalised calculation for any individual household. The CSO classifies this work as a Frontier Series output and says care is needed when interpreting it.

Latest update: Ireland's September HICP flash estimate has since risen to 3.9%, with energy prices up 15.3% year-on-year. Read Compound's [2 October inflation update](/news/ireland-inflation-september-2026-energy-prices/).

Ireland’s headline inflation rate was 3.4% in the year to June 2026.

But that does not mean every household experienced a 3.4% increase in the cost of living.

New Central Statistics Office analysis shows that the estimated inflation rate differed materially depending on age, housing tenure, income, household size and where people live.

Households headed by someone aged under 35 experienced estimated inflation of:

3.9%

Renting households:

3.7%

Some lower-income households:

3.6%

Meanwhile, households that owned their home outright were estimated at:

3.1%

The difference may look small when expressed as a percentage point.

But the reason behind it is important.

Inflation is not something households experience evenly. A renter spending a large share of income on rent and electricity can face a very different cost-of-living reality from a mortgage-free homeowner whose spending is concentrated elsewhere.

That is why the national Consumer Price Index is best understood as an average across millions of different household budgets.

Your own inflation experience depends on what you actually spend money on.

For a simple way to see how inflation compounds over time, Compound’s Inflation Calculator lets you test what a given inflation rate does to prices and purchasing power over multiple years.

Who is experiencing the highest inflation in Ireland?

The CSO’s new breakdown covers the 12 months from June 2025 to June 2026.

Source: CSO, Estimated Inflation by Household Characteristics, June 2026.

The biggest annual gap in the CSO estimates is between under-35 households at 3.9% and outright homeowners at 3.1%.

That is a difference of 0.8 percentage points in a single year.

More importantly, it reflects two very different household spending patterns.

Why are under-35 households being hit harder?

For households where the reference person was under 35, the CSO says the two biggest contributors were:

• rent, contributing 0.9 percentage points to the estimated 3.9% rate;
• restaurants and accommodation services, contributing 0.8 points.

The restaurants and accommodation category includes spending such as restaurants, bars, takeaways and hotels.

Younger households are more likely to rent and can therefore have a larger share of total expenditure exposed to rising rents.

That means even if food prices or clothing prices move similarly for everyone, housing costs can push the total inflation experience for younger households above the national average.

The contrast with older households is striking.

Households where the reference person was aged 65 or over had estimated inflation of 3.2%.

Many older households own their homes outright, so rent and mortgage interest make up a smaller part — or none — of their monthly spending.

This does not mean every older household is financially comfortable or every younger household is struggling.

It means the basket of costs differs.

And inflation acts on the basket.

Renters are now feeling more inflation than mortgage holders

Renting households had estimated inflation of 3.7% in the year to June.

Mortgage households were at 3.4%.

Outright homeowners were at 3.1%.

That ordering is interesting because it has changed over time.

In the CSO’s September 2023 analysis, mortgage holders were experiencing particularly high inflation because mortgage-interest costs had risen sharply following European Central Bank rate increases.

Now the balance has shifted.

For renters, rent itself contributed 1.3 percentage points of their 3.7% estimated annual inflation rate.

Electricity, gas and other fuels contributed another 0.5 points, while restaurants and accommodation services contributed 0.5 points.

In other words, more than a third of estimated renter inflation came from rent alone.

For anyone comparing the long-term economics of renting and buying, Compound’s Rent vs Buy Calculator allows you to model rent, mortgage costs, house-price assumptions and the time horizon rather than relying on a single monthly-payment comparison.

Lower-income households are more exposed to essentials

The lowest income quartile experienced estimated annual inflation of 3.6%.

That is only 0.2 percentage points above the national CPI figure.

But the composition matters.

For this group, the two largest contributors were:

• electricity, gas and other fuels: 0.8 percentage points;
• rent: 0.7 percentage points.

These are difficult costs to avoid.

A higher-income household may have more discretionary spending that can be reduced or postponed.

Heating a home and paying rent are far less flexible.

This is one reason the same headline inflation number can feel much more severe for a household with a tight monthly budget.

If energy is a major part of your household spending, Compound’s Electricity Cost Calculator can convert appliance usage, power and tariffs into an estimated running cost.

And if transport is a major expense, the Fuel Cost Calculator lets you model annual mileage, consumption and pump prices.

Rural households are also experiencing slightly higher inflation

The CSO estimates rural household inflation at 3.5%, compared with 3.4% for urban households.

For rural households, transport and electricity, gas and other fuels each contributed 0.6 percentage points to the annual rate.

That makes intuitive sense.

Many rural households have fewer alternatives to driving and can face greater exposure to home-heating costs.

The gap is not enormous.

But when fuel prices rise quickly, households that must drive long distances for work, school or services can feel the impact more directly than the national CPI suggests.

This is particularly relevant now because fuel has again become an important inflation driver.

Compound recently looked at why fuel-price pressure could become a bigger issue if temporary excise supports unwind.

The five-year picture is much more dramatic

Annual inflation tells us how quickly prices are changing now.

It does not tell us how far prices have already moved.

Between June 2021 and June 2026, the CSO says the overall price level for goods and services rose:

24.5%

That means something costing €100 in the representative basket in June 2021 would correspond to roughly €124.50 at the overall five-year price level, before considering differences in what an individual household actually buys.

But the five-year household estimates again differ.

Five years of inflation has therefore produced a sizeable cumulative increase even though today’s annual rate is far below the 2022 peak.

That is the distinction people often miss.

Lower inflation does not mean lower prices.

It means prices are increasing more slowly than before.

Three household costs have risen extraordinarily fast

The CSO’s underlying five-year indices show just how uneven the price shock has been.

From June 2021 to June 2026:

• the mortgage-interest-payment index rose 91.5%;
• electricity, gas and other fuels rose 69.8%;
• the rent index rose 39.5%.

Those are much larger increases than the overall 24.5% CPI rise.

They explain why housing tenure and energy use have mattered so much to the lived experience of inflation.

A household that escaped the mortgage-interest shock could still be exposed to rents.

A mortgage-free owner could avoid both rent and mortgage interest but remain exposed to energy.

A renter with high energy usage could be exposed to both.

That is why a single inflation number can never perfectly describe every household.

What does a 0.5 percentage-point difference actually mean?

Take a household spending €3,000 per month across the categories represented by its own consumption basket.

A 3.4% annual increase applied mechanically to that level would correspond to around €102 per month of additional cost.

At 3.9%, the equivalent would be around €117 per month.

That is a difference of approximately €15 per month, or €180 over a year.

This is only an illustration.

The CSO household rates are price-index estimates, not a promise that a household’s bills will rise by exactly those euro amounts.

But it shows why apparently small percentage-point differences can matter when applied across a full household budget.

The national CPI is still useful — but it is not your household budget

None of this makes the CPI misleading.

The CPI answers an important national question:

how are prices changing across a representative basket of consumer goods and services?

What it cannot do is perfectly describe the spending pattern of every household.

A household spending 35% of its income on rent will experience rent inflation very differently from a homeowner with no housing debt.

A household commuting 100 kilometres a day will experience fuel inflation differently from someone who walks to work.

A household with substantial childcare costs will have a different exposure again.

The useful way to think about inflation is therefore in two layers:

1. the national inflation environment;
2. your own spending mix within it.

Inflation may remain elevated into 2027

There is another reason this matters now.

In its Autumn 2026 Quarterly Economic Commentary, published on 29 September, the ESRI forecasts CPI inflation of:

• 3.6% in 2026;
• 3.3% in 2027.

The ESRI says Ireland remains particularly exposed to international energy-price pressures because of its reliance on fossil fuels.

It also highlights rising oil and gas futures linked to continuing geopolitical disruption.

That does not mean the ESRI expects every household to experience exactly 3.6% or 3.3%.

The CSO household analysis shows why that would be the wrong interpretation.

If energy, rents or transport rise faster than the overall basket, the households most exposed to those categories can again experience a higher personal rate.

Read the ESRI Autumn 2026 Quarterly Economic Commentary.

How to work out where inflation is hitting you

You do not need to calculate a perfect personal CPI.

A simpler household exercise is often more useful.

Look at the biggest categories in your monthly spending:

• housing;
• electricity and heating;
• groceries;
• transport;
• childcare;
• insurance;
• restaurants and takeaways;
• subscriptions and discretionary spending.

Then compare those costs with what you were paying one or two years ago.

The largest euro increases — not necessarily the largest percentage increases — are usually where your household is feeling inflation most.

For purchasing-power scenarios, use the Inflation Calculator.

For housing, compare your numbers with the Mortgage Calculator or Rent vs Buy Calculator.

For household cash flow, the Take-Home Pay Calculator helps put cost increases against actual net income rather than gross salary.

The bigger lesson

The most important number in the CSO release is not necessarily 3.4%, 3.7% or 3.9%.

It is the reminder that inflation is personal.

Ireland can have one official CPI rate while simultaneously producing very different cost-of-living experiences for renters, homeowners, younger households, older households, rural households and different income groups.

The national average tells us what is happening to prices.

Your household budget tells you what those prices are doing to you.

And after a five-year period in which the overall price level has risen roughly 24.5%, that distinction matters more than ever.