Share of CO₂ emissions covered by a carbon price in Canada

Canada: Share of CO₂ emissions covered by a carbon price was 37.8% in 2025. ◆ Volatile

Latest (2025)
37.8%
Change on year
up 0.3%
World rank
41st
of 200 countries
All-time high
37.8%
in 2025
All-time low
0.0%
in 1989
Years of data
37
1989–2025

Share of CO₂ emissions covered by a carbon price in Canada, 1989–2025

0102030401989200720251989: 0 %1990: 0 %1991: 0 %1992: 0 %1993: 0 %1994: 0 %1995: 0 %1996: 0 %1997: 0 %1998: 0 %1999: 0 %2000: 0 %2001: 0 %2002: 0 %2003: 0 %2004: 0 %2005: 0 %2006: 0 %2007: 0.617 %2008: 5.2 %2009: 5.3 %2010: 5.2 %2011: 4.9 %2012: 4.9 %2013: 5.5 %2014: 5.4 %2015: 11 %2016: 11.4 %2017: 11.4 %2018: 24.8 %2019: 31.3 %2020: 36.1 %2021: 36 %2022: 36.7 %2023: 37.7 %2024: 37.7 %2025: 37.8 %

Source: Dolphin and Merkle (2024) – with minor processing by Our World in Data. Measured in %.

Analysis

The most recent figure for share of co₂ emissions covered by a carbon price in Canada is 37.8%, measured in 2025. That is the highest value across all 37 years on record.

Compared with earlier readings it is up 0.3% on the previous year and up 242.5% over ten years.

Over the whole period, share of co₂ emissions covered by a carbon price in Canada peaked at 37.8% in 2025 and was at its lowest, 0.0%, in 1989.

Canada ranks 41st of 200 countries on this measure, in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Share of CO₂ emissions covered by a carbon price in Canada, year by year

Annual values for Share of CO₂ emissions covered by a carbon price in Canada, 1989 to 2025.
Year % Change
1989 0.0%
1990 0.0%
1991 0.0%
1992 0.0%
1993 0.0%
1994 0.0%
1995 0.0%
1996 0.0%
1997 0.0%
1998 0.0%
1999 0.0%
2000 0.0%
2001 0.0%
2002 0.0%
2003 0.0%
2004 0.0%
2005 0.0%
2006 0.0%
2007 0.6%
2008 5.2% +741.9%
2009 5.3% +2.9%
2010 5.2% -3.5%
2011 4.9% -4.5%
2012 4.9% +0.1%
2013 5.5% +12.3%
2014 5.4% -3.2%
2015 11.0% +105.8%
2016 11.4% +3.2%
2017 11.4% -0.2%
2018 24.8% +118.5%
2019 31.3% +25.8%
2020 36.1% +15.6%
2021 36.0% -0.5%
2022 36.7% +2.2%
2023 37.7% +2.6%
2024 37.7% +0.0%
2025 37.8% +0.3%

Canada compared with similar countries

  • Canada's 37.8% is above the median for high income countries, which is 37.8%, 1.0× the median. (67 countries reporting)

Biggest year-on-year movements

Years where Share of CO₂ emissions covered by a carbon price in Canada changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
2008 +741.9% 0.6% 5.2%
2018 +118.5% 11.4% 24.8%
2015 +105.8% 5.4% 11.0%

Averages by decade

DecadeAverage LowestHighest Years
1980s 0.0% 0.0% 0.0% 1
1990s 0.0% 0.0% 0.0% 10
2000s 1.1% 0.0% 5.3% 10
2010s 11.6% 4.9% 31.3% 10
2020s 37.0% 36.0% 37.8% 6

Countries ranked near Canada

  1. 38 Argentina 42.4% compare
  2. 39 Italy 41.3% compare
  3. 40 Estonia 40.3% compare
  4. 42 Belgium 36.2% compare
  5. 43 Hungary 33.3% compare
  6. 44 United Kingdom 32.6% compare

See the full ranking of 200 places →

More climate change data for Canada

All data for Canada →

Frequently asked questions

What is share of co₂ emissions covered by a carbon price in Canada?
Share of co₂ emissions covered by a carbon price in Canada was 37.8% in 2025, according to Dolphin and Merkle (2024) – with minor processing by Our World in Data.
What is the highest share of co₂ emissions covered by a carbon price recorded in Canada?
The highest recorded value was 37.8% in 2025.
What is the lowest share of co₂ emissions covered by a carbon price recorded in Canada?
The lowest recorded value was 0.0% in 1989.
How does Canada rank for share of co₂ emissions covered by a carbon price?
Canada ranks 41st out of 200 countries with data for 2025.
Is share of co₂ emissions covered by a carbon price rising or falling in Canada?
Over the last ten years it is up 242.5%. The long-run trend across the full record is volatile.
Where does this Canada data come from?
The figures come from Dolphin and Merkle (2024) – with minor processing by Our World in Data, published as part of Share of CO₂ emissions covered by a carbon price. Statizoid updates them automatically from the source API.

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Share of CO₂ emissions covered by a carbon price in Canada. Statizoid, drawing on Dolphin and Merkle (2024) – with minor processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/stat/carbon-tax-trading-coverage/canada/

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About this data

Indicator
Share of CO₂ emissions covered by a carbon price
Unit
%
Source
Dolphin and Merkle (2024) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
200 places, 7,400 data points, 1989–2025
Last refreshed

Carbon dioxide emissions are included in this figure if they are covered by a carbon tax or trading system.