Fossil CO₂ emitted this year
Estimated range: 29,799,786,210 – 32,936,605,811 (±5%)
- 38.1 billion tonnes Projection · 2025 · GCP
- 1,207 tonnes of CO₂ per second, modelled
- Tier A (±5%) High confidence
- +0 Since you opened this page
Putting it in perspective
- Per second
- 1,207
- Per minute
- 72,438
- Per hour
- 4,346,338
- Per day
- 104,312,114
- Still to come this year
- 6,705,725,960
Counted in tonnes of CO₂.Fossil fuel use and cement, excluding land-use change.
How this number is made
- Algorithm
- Annual flow spread
Evenly distributed across 31,557,600 seconds (365.25 days) of the year.
- Confidence Tier
-
Tier A High confidence
Global Carbon Project fossil energy and cement emissions inventory with documented ±5% uncertainty range.
- Error Band
- ±5%
Modelled range: 29,799,786,210 to 32,936,605,811
- Annualized Validation
- ≤ 3.0% tolerance passed
Pace: 38,100,000,000 tonnes of CO₂/yr vs cited reference 38,100,000,000 tonnes of CO₂/yr (exact match)
- Basis
- Projection for 2025
- Record
- STO-SN461GMMCK
- Source
- GCP, Fossil fuel CO2 emissions hit record high in 2025 (13 Nov 2025)
“The 2025 Global Carbon Budget projects 38.1 billion tonnes of fossil carbon dioxide (CO2) emissions this year.”
- Step 01
Take GCP’s figure for 2025: 38.1 billion tonnes (a projection).
- Step 02
Spread it evenly over a year of 31,557,600 seconds (365.25 days): about 1,207 tonnes of CO₂ per second.
- Step 03
Count from 00:00 UTC on 1 January of the current year, so the number resets every New Year.
- On screen
- The result of those steps, recomputed four times a second in your browser. Nothing on this page is fetched live from the publisher.
- Why this can't be exact
- Real activity is not spread evenly: it clusters in working hours, weekdays and seasons, so the count runs ahead or behind the true figure at any given moment. The annual figure is GCP’s projection; the counter moves to the published actual once it is released. Digits beyond the first two or three are the model ticking, not extra precision.
Frequently asked questions
Which published figure is the counter based on?
Global Carbon Project’s figure for 2025: 38.1 billion tonnes (a projection).
How is the live number calculated?
Take GCP’s figure for 2025: 38.1 billion tonnes (a projection). Spread it evenly over a year of 31,557,600 seconds (365.25 days): about 1,207 tonnes of CO₂ per second. Count from 00:00 UTC on 1 January of the current year, so the number resets every New Year.
How accurate is the counter?
Real activity is not spread evenly: it clusters in working hours, weekdays and seasons, so the count runs ahead or behind the true figure at any given moment. The annual figure is GCP’s projection; the counter moves to the published actual once it is released. Digits beyond the first two or three are the model ticking, not extra precision.
Where does the data come from?
Global Carbon Project, “Fossil fuel CO2 emissions hit record high in 2025” (13 Nov 2025). The record quotes the publisher’s own sentence, and nothing on the page is fetched live from the publisher.
Embed this counter
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<iframe src="https://statorigin.org/embed/live/fossil-co2" width="100%" height="220" style="border:0;border-radius:8px" title="Fossil CO₂ emitted this year, live counter" loading="lazy"></iframe>
<p><a href="https://statorigin.org/live/fossil-co2">Data: GCP via StatOrigin</a> · CC BY 4.0</p>Cite this counter
A modelled figure: cite the published number it comes from when you can.
StatOrigin. (2026). Fossil CO₂ emitted this year [Live counter, extrapolated from GCP]. Retrieved 28 Oct 2026, from https://statorigin.org/live/fossil-co2