CO₂ emissions by sector in Ireland
Ireland: CO₂ emissions by sector was 6.47 million tonnes in 2023. ▼ Falling
CO₂ emissions by sector in Ireland, 1990–2023
Source: Climate Watch (2026) – with major processing by Our World in Data. Measured in tonnes.
Analysis
In 2023, co₂ emissions by sector in Ireland stood at 6.47 million tonnes. That is the lowest value across all 34 years on record.
Compared with earlier readings it is down 6.4% on the previous year and down 22.0% over ten years.
Over the whole period, co₂ emissions by sector in Ireland peaked at 10.27 million tonnes in 2008 and was at its lowest, 6.47 million tonnes, in 2023.
That places Ireland 47th out of 187 regions with data for 2023, putting it in the top quarter.
The long-run direction has been consistently falling across the 34 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 8.63 million tonnes | 8.19 million tonnes | 9.48 million tonnes | 10 |
| 2000s | 9.41 million tonnes | 8.67 million tonnes | 10.27 million tonnes | 10 |
| 2010s | 8.31 million tonnes | 7.41 million tonnes | 10.12 million tonnes | 10 |
| 2020s | 7.45 million tonnes | 6.47 million tonnes | 8.40 million tonnes | 4 |
Countries ranked near Ireland
More climate change data for Ireland
- Share of global CO₂ emissions and population 0.1% (2100)
- Population growth 1.6% (2025)
- Population, total 5.48 million (2025)
- Urban population growth 2.0% (2025)
- Urban population 3.54 million (2025)
- Urban population 64.6% (2025)
- CO₂ emissions per capita vs. GDP per capita 6.34 tonnes per person (2024)
- Cumulative CO₂ emissions 2.37 billion tonnes (2024)
- CO₂ emissions per capita 6.34 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 6.34 tonnes per person (2024)
Frequently asked questions
- What is co₂ emissions by sector in Ireland?
- Co₂ emissions by sector in Ireland was 6.47 million tonnes in 2023, according to Climate Watch (2026) – with major processing by Our World in Data.
- What is the highest co₂ emissions by sector recorded in Ireland?
- The highest recorded value was 10.27 million tonnes in 2008.
- What is the lowest co₂ emissions by sector recorded in Ireland?
- The lowest recorded value was 6.47 million tonnes in 2023.
- How does Ireland rank for co₂ emissions by sector?
- Ireland ranks 47th out of 187 regions with data for 2023.
- Is co₂ emissions by sector rising or falling in Ireland?
- Over the last ten years it is down 22.0%. The long-run trend across the full record is falling.
- Where does this Ireland data come from?
- The figures come from Climate Watch (2026) – with major processing by Our World in Data, published as part of CO₂ emissions by sector. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Emissions are measured in tonnes.