Carbon intensity of energy in Japan

Japan: Carbon intensity of energy was 208.5 grams of CO₂ per kilowatt-hour in 2024. ▬ Flat

Latest (2024)
208.5 grams of CO₂ per kilowatt-hour
Change on year
down 1.4%
World rank
105th
of 204 countries
All-time high
240.25 grams of CO₂ per kilowatt-hour
in 2013
All-time low
197.51 grams of CO₂ per kilowatt-hour
in 1987
Years of data
60
1965–2024

Carbon intensity of energy in Japan, 1965–2024

050100150200250196519942024

Source: Global Carbon Budget (2025) and other sources – with major processing by Our World in Data. Measured in grams of CO₂ per kilowatt-hour.

Analysis

Japan recorded 208.5 grams of CO₂ per kilowatt-hour for carbon intensity of energy in 2024.

That represents a change of down 1.4% on the previous year and down 12.5% over ten years.

Over the whole period, carbon intensity of energy in Japan peaked at 240.25 grams of CO₂ per kilowatt-hour in 2013 and was at its lowest, 197.51 grams of CO₂ per kilowatt-hour, in 1987.

Japan ranks 105th of 204 countries on this measure, in the middle of the range.

Carbon intensity of energy in Japan, year by year

Annual values for Carbon intensity of energy in Japan, 1965 to 2024.
Year grams of CO₂ per kilowatt-hour Change
1965 229.93 grams of CO₂ per kilowatt-hour
1966 218.22 grams of CO₂ per kilowatt-hour -5.1%
1967 222.88 grams of CO₂ per kilowatt-hour +2.1%
1968 231.91 grams of CO₂ per kilowatt-hour +4.1%
1969 229.55 grams of CO₂ per kilowatt-hour -1.0%
1970 235.12 grams of CO₂ per kilowatt-hour +2.4%
1971 233.8 grams of CO₂ per kilowatt-hour -0.6%
1972 234.48 grams of CO₂ per kilowatt-hour +0.3%
1973 223.96 grams of CO₂ per kilowatt-hour -4.5%
1974 227.72 grams of CO₂ per kilowatt-hour +1.7%
1975 218.85 grams of CO₂ per kilowatt-hour -3.9%
1976 219.18 grams of CO₂ per kilowatt-hour +0.1%
1977 225.33 grams of CO₂ per kilowatt-hour +2.8%
1978 212.57 grams of CO₂ per kilowatt-hour -5.7%
1979 221.45 grams of CO₂ per kilowatt-hour +4.2%
1980 228.59 grams of CO₂ per kilowatt-hour +3.2%
1981 227.81 grams of CO₂ per kilowatt-hour -0.3%
1982 226.98 grams of CO₂ per kilowatt-hour -0.4%
1983 216.43 grams of CO₂ per kilowatt-hour -4.6%
1984 220.53 grams of CO₂ per kilowatt-hour +1.9%
1985 210 grams of CO₂ per kilowatt-hour -4.8%
1986 209.81 grams of CO₂ per kilowatt-hour -0.1%
1987 197.51 grams of CO₂ per kilowatt-hour -5.9%
1988 205.51 grams of CO₂ per kilowatt-hour +4.0%
1989 206.17 grams of CO₂ per kilowatt-hour +0.3%
1990 225.38 grams of CO₂ per kilowatt-hour +9.3%
1991 222.24 grams of CO₂ per kilowatt-hour -1.4%
1992 220.03 grams of CO₂ per kilowatt-hour -1.0%
1993 215.83 grams of CO₂ per kilowatt-hour -1.9%
1994 214.93 grams of CO₂ per kilowatt-hour -0.4%
1995 211.11 grams of CO₂ per kilowatt-hour -1.8%
1996 208.86 grams of CO₂ per kilowatt-hour -1.1%
1997 203.75 grams of CO₂ per kilowatt-hour -2.4%
1998 201.01 grams of CO₂ per kilowatt-hour -1.3%
1999 203.65 grams of CO₂ per kilowatt-hour +1.3%
2000 203.7 grams of CO₂ per kilowatt-hour +0.0%
2001 203.27 grams of CO₂ per kilowatt-hour -0.2%
2002 208.26 grams of CO₂ per kilowatt-hour +2.5%
2003 211.09 grams of CO₂ per kilowatt-hour +1.4%
2004 206.98 grams of CO₂ per kilowatt-hour -1.9%
2005 203.63 grams of CO₂ per kilowatt-hour -1.6%
2006 200.48 grams of CO₂ per kilowatt-hour -1.5%
2007 208.03 grams of CO₂ per kilowatt-hour +3.8%
2008 200.83 grams of CO₂ per kilowatt-hour -3.5%
2009 206.46 grams of CO₂ per kilowatt-hour +2.8%
2010 202.75 grams of CO₂ per kilowatt-hour -1.8%
2011 224.02 grams of CO₂ per kilowatt-hour +10.5%
2012 235.43 grams of CO₂ per kilowatt-hour +5.1%
2013 240.25 grams of CO₂ per kilowatt-hour +2.0%
2014 238.31 grams of CO₂ per kilowatt-hour -0.8%
2015 234.17 grams of CO₂ per kilowatt-hour -1.7%
2016 233.48 grams of CO₂ per kilowatt-hour -0.3%
2017 229.03 grams of CO₂ per kilowatt-hour -1.9%
2018 221.51 grams of CO₂ per kilowatt-hour -3.3%
2019 219.06 grams of CO₂ per kilowatt-hour -1.1%
2020 223.59 grams of CO₂ per kilowatt-hour +2.1%
2021 218.35 grams of CO₂ per kilowatt-hour -2.3%
2022 214.78 grams of CO₂ per kilowatt-hour -1.6%
2023 211.52 grams of CO₂ per kilowatt-hour -1.5%
2024 208.5 grams of CO₂ per kilowatt-hour -1.4%

Japan compared with similar countries

  • Japan's 208.5 grams of CO₂ per kilowatt-hour is above the median for high income countries, which is 184.8 grams of CO₂ per kilowatt-hour, 1.1× the median. (69 countries reporting)
  • Japan's 208.5 grams of CO₂ per kilowatt-hour is below the median for East Asia & Pacific, which is 214.52 grams of CO₂ per kilowatt-hour, 97% of the median. (31 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1960s 226.5 grams of CO₂ per kilowatt-hour 218.22 grams of CO₂ per kilowatt-hour 231.91 grams of CO₂ per kilowatt-hour 5
1970s 225.25 grams of CO₂ per kilowatt-hour 212.57 grams of CO₂ per kilowatt-hour 235.12 grams of CO₂ per kilowatt-hour 10
1980s 214.93 grams of CO₂ per kilowatt-hour 197.51 grams of CO₂ per kilowatt-hour 228.59 grams of CO₂ per kilowatt-hour 10
1990s 212.68 grams of CO₂ per kilowatt-hour 201.01 grams of CO₂ per kilowatt-hour 225.38 grams of CO₂ per kilowatt-hour 10
2000s 205.27 grams of CO₂ per kilowatt-hour 200.48 grams of CO₂ per kilowatt-hour 211.09 grams of CO₂ per kilowatt-hour 10
2010s 227.8 grams of CO₂ per kilowatt-hour 202.75 grams of CO₂ per kilowatt-hour 240.25 grams of CO₂ per kilowatt-hour 10
2020s 215.35 grams of CO₂ per kilowatt-hour 208.5 grams of CO₂ per kilowatt-hour 223.59 grams of CO₂ per kilowatt-hour 5

Countries ranked near Japan

  1. 102 Saudi Arabia 211.04 grams of CO₂ per kilowatt-hour compare
  2. 103 Turkmenistan 210.72 grams of CO₂ per kilowatt-hour compare
  3. 104 Mexico 210.53 grams of CO₂ per kilowatt-hour compare
  4. 106 Ireland 208.43 grams of CO₂ per kilowatt-hour compare
  5. 107 Central African Republic 207.6 grams of CO₂ per kilowatt-hour compare
  6. 108 Sierra Leone 205.91 grams of CO₂ per kilowatt-hour compare

See the full ranking of 204 places →

More climate change data for Japan

All data for Japan →

Frequently asked questions

What is carbon intensity of energy in Japan?
Carbon intensity of energy in Japan was 208.5 grams of CO₂ per kilowatt-hour in 2024, according to Global Carbon Budget (2025) and other sources – with major processing by Our World in Data.
What is the highest carbon intensity of energy recorded in Japan?
The highest recorded value was 240.25 grams of CO₂ per kilowatt-hour in 2013.
What is the lowest carbon intensity of energy recorded in Japan?
The lowest recorded value was 197.51 grams of CO₂ per kilowatt-hour in 1987.
How does Japan rank for carbon intensity of energy?
Japan ranks 105th out of 204 countries with data for 2024.
Is carbon intensity of energy rising or falling in Japan?
Over the last ten years it is down 12.5%. The long-run trend across the full record is flat.
Where does this Japan data come from?
The figures come from Global Carbon Budget (2025) and other sources – with major processing by Our World in Data, published as part of Carbon intensity of energy. Statizoid updates them automatically from the source API.

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Carbon intensity of energy in Japan. Statizoid, drawing on Global Carbon Budget (2025) and other sources – with major processing by Our World in Data. Retrieved 22 September 2026, from https://climate.statizoid.com/stat/co2-per-unit-energy/japan/

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About this data

Indicator
Carbon intensity of energy
Unit
grams of CO₂ per kilowatt-hour
Source
Global Carbon Budget (2025) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
204 places, 9,804 data points, 1965–2024
Last refreshed

Fossil carbon dioxide (CO₂) emissions per unit of total energy supply, measured in grams of CO₂ per kilowatt-hour.