Greenhouse gas emissions by sector in New Zealand
New Zealand: Greenhouse gas emissions by sector was 40.45 million tonnes in 2023. ▬ Flat
Greenhouse gas emissions by sector in New Zealand, 1990–2023
Source: Climate Watch (2026) – with major processing by Our World in Data. Measured in tonnes.
Analysis
In 2023, greenhouse gas emissions by sector in New Zealand stood at 40.45 million tonnes. That is the lowest value across all 34 years on record.
The figure is down 2.6% on the previous year and down 9.7% over ten years.
Over the whole period, greenhouse gas emissions by sector in New Zealand peaked at 45.35 million tonnes in 2014 and was at its lowest, 40.45 million tonnes, in 2023.
That places New Zealand 32nd out of 193 countries with data for 2023, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 43.61 million tonnes | 42.50 million tonnes | 45.00 million tonnes | 10 |
| 2000s | 44.24 million tonnes | 42.80 million tonnes | 45.07 million tonnes | 10 |
| 2010s | 44.35 million tonnes | 43.60 million tonnes | 45.35 million tonnes | 10 |
| 2020s | 42.05 million tonnes | 40.45 million tonnes | 43.19 million tonnes | 4 |
Countries ranked near New Zealand
More climate change data for New Zealand
- Share of global CO₂ emissions and population 0.1% (2100)
- Population growth 0.7% (2025)
- Population, total 5.32 million (2025)
- Urban population growth 0.7% (2025)
- Urban population 4.47 million (2025)
- Urban population 84.0% (2025)
- CO₂ emissions per capita vs. GDP per capita 6.23 tonnes per person (2024)
- Cumulative CO₂ emissions 2.01 billion tonnes (2024)
- CO₂ emissions per capita 6.23 tonnes per person (2024)
- CO₂ emissions per capita vs. share of electricity generation from renewables 6.23 tonnes per person (2024)
Frequently asked questions
- What is greenhouse gas emissions by sector in New Zealand?
- Greenhouse gas emissions by sector in New Zealand was 40.45 million tonnes in 2023, according to Climate Watch (2026) – with major processing by Our World in Data.
- What is the highest greenhouse gas emissions by sector recorded in New Zealand?
- The highest recorded value was 45.35 million tonnes in 2014.
- What is the lowest greenhouse gas emissions by sector recorded in New Zealand?
- The lowest recorded value was 40.45 million tonnes in 2023.
- How does New Zealand rank for greenhouse gas emissions by sector?
- New Zealand ranks 32nd out of 193 countries with data for 2023.
- Is greenhouse gas emissions by sector rising or falling in New Zealand?
- Over the last ten years it is down 9.7%. The long-run trend across the full record is flat.
- Where does this New Zealand data come from?
- The figures come from Climate Watch (2026) – with major processing by Our World in Data, published as part of Greenhouse gas 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 of carbon dioxide-equivalents.