UK Carbon Footprint
The average UK resident emits 5.5 tonnes CO₂e per person per year — above the global average of 4.54 tonnes, but well below the US average of 14.9 tonnes. The UK has a legally binding net-zero target of 2050.
UK emissions by sector
Source: DEFRA UK Greenhouse Gas Inventory 2023.
UK cities carbon footprint
Per-capita estimates based on local authority data and national averages.
UK carbon footprint overview
The United Kingdom emits approximately 414 million tonnes of CO₂ per year — about 1.1% of global annual emissions. On a per-capita basis, this works out to 5.5 tonnes per person per year from direct activities including driving, home heating, and food.
The UK's emissions have fallen significantly since 1990 — by around 50% — driven by the shift away from coal-fired power generation, energy efficiency improvements, and the growth of offshore wind. However, progress has slowed, and meeting the 2050 net zero target requires accelerating reductions in heat, transport, and agriculture.
Biggest contributors to UK carbon footprints
For most individuals, the three biggest sources of personal emissions are:
- Home heating — gas boilers heat around 85% of UK homes. The average boiler emits roughly 2.3 tonnes of CO₂ per year.
- Car travel — the average UK driver covers around 7,400 miles per year, emitting approximately 1.8 tonnes from a petrol car.
- Diet — the average UK meat-eating diet produces around 2.5 tonnes of CO₂e per year from farm to plate.
Together, these three sources account for over 60% of the typical UK carbon footprint. Flying is high-impact for those who fly, but around 50% of UK residents don't fly at all in a given year.
How to reduce your UK carbon footprint
The highest-impact actions for UK residents are well understood. In rough order of impact:
- Replace a petrol/diesel car with an EV (saves 1.5–2.5 tonnes/year)
- Install an air-source heat pump (saves 1–2 tonnes/year)
- Reduce flights, especially long-haul (saves 1–3 tonnes per return flight avoided)
- Shift to a plant-rich diet (saves 0.5–1.5 tonnes/year depending on starting point)
- Switch to a 100% renewable electricity tariff (saves 0.5–0.7 tonnes/year)
Use our free carbon footprint calculator to find out exactly where your own emissions come from and which changes will have the biggest impact.
Frequently asked questions
What is the average carbon footprint in the UK?
The average UK resident emits approximately 5.5 tonnes of CO₂ equivalent per year from direct activities (transport, home energy, and diet). Including consumption emissions from imported goods, the figure rises to 10–12 tonnes per person.
How does the UK compare to other countries?
The UK's per-capita footprint of 5.5 tonnes is above the global average of 4.54 tonnes but significantly below the US average of ~14.9 tonnes. France, with heavy nuclear generation, averages around 5.2 tonnes.
What is the UK's net zero target?
The UK has a legally binding commitment to reach net zero greenhouse gas emissions by 2050, set out in the Climate Change Act 2019. An interim target requires a 78% reduction in emissions by 2035 compared to 1990 levels.
What are the biggest sources of UK carbon emissions?
The UK's largest emission sectors are transport (27%), energy supply (22%), business (17%), and residential heating (15%). For individuals, home heating, car use, and diet are typically the top three sources.