UK greenhouse gas emissions per unit of output
UK greenhouse gas emissions per unit of output stood at 0.14 in Q3 2025, according to Office for National Statistics (ONS). It is one of the indicators in the Greenhouse gas emissions table (Value · Quarterly), with a complete series running from Q1 1999 to Q3 2025. The complete series with an interactive chart, free to download.
This indicator in the Greenhouse gas emissions table
| Indicator | Q3-2025 | Q2-2025 | Q1-2025 | Q4-2024 | Q3-2024 | Q2-2024 | Q1-2024 | Q4-2023 | Q3-2023 | Q2-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Greenhouse gas emissions per unit of output | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | |
| Carbon dioxide emissions per unit of output | 0.11 | 0.11 | 0.11 | 0.12 | 0.12 | 0.12 | 0.12 | 0.11 | 0.12 | 0.12 | |
| Gross value added per 1,000 people | 9.21 | 9.21 | 9.2 | 9.15 | 9.13 | 9.11 | 9.08 | 9.03 | 9.09 | 9.12 |
Understanding UK greenhouse gas emissions per unit of output
Greenhouse gas intensity across the United Kingdom economy is evaluated through this ratio, which divides aggregate residence-based warming gas emissions by total economic output expressed in monetary terms. The numerator encompasses every regulated greenhouse gas from all commercial, industrial, and household sources, while the denominator reflects total economic value generated. This metric normalises emissions against economic scale, providing a measure of how efficiently output is produced relative to warming gas generation.
Interpreting this ratio requires caution because structural changes in the composition of economic output can alter the index independently of actual technological decarbonisation. Revisions to either the underlying greenhouse gas inventories or the macroeconomic value-added estimates will retroactively adjust the ratio. Analysts must also account for inflation adjustments applied to the economic output denominator when assessing multi-period trends, ensuring that price changes do not distort the efficiency measurement.
Frequently asked questions
- What does this emissions intensity ratio actually measure?
- It calculates the quantity of greenhouse gases emitted per unit of financial economic output generated across the country.
- Can economic growth cause this ratio to change?
- Yes, shifting production towards less carbon-intensive sectors can lower the ratio even if absolute output expands.
- Why might historical figures in this series be revised?
- Both the emission inventory totals and the underlying economic output estimates undergo regular retrospective revisions by statistical authorities.