Energy — Emissions (CO2), per square kilometre in Tonga

Tonga: Energy — Emissions (CO2), per square kilometre was 0.2625 kt per square kilometre in 2023. ◆ Volatile

Latest (2023)
0.2625 kt per square kilometre
Change on year
up 5.0%
World rank
76th
of 186 countries
All-time high
0.2625 kt per square kilometre
in 2023
All-time low
0.0153 kt per square kilometre
in 1961
Years of data
63
1961–2023

Energy — Emissions (CO2), per square kilometre in Tonga, 1961–2023

00.050.10.150.20.25196119922023

Source: Statizoid (derived). Measured in kt per square kilometre.

Analysis

The most recent figure for energy — emissions (co2), per square kilometre in Tonga is 0.2625 kt per square kilometre, measured in 2023. That is the highest value across all 63 years on record.

The figure is up 5.0% on the previous year and up 65.8% over ten years.

Over the whole period, energy — emissions (co2), per square kilometre in Tonga peaked at 0.2625 kt per square kilometre in 2023 and was at its lowest, 0.0153 kt per square kilometre, in 1961.

That places Tonga 76th out of 186 countries with data for 2023, putting it in the middle of the range.

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

Energy — Emissions (CO2), per square kilometre in Tonga, year by year

Annual values for Energy — Emissions (CO2), per square kilometre in Tonga, 1961 to 2023.
Year kt per square kilometre Change
1961 0.0153 kt per square kilometre —
1962 0.0153 kt per square kilometre +0.0%
1963 0.0153 kt per square kilometre +0.0%
1964 0.0153 kt per square kilometre +0.0%
1965 0.0153 kt per square kilometre +0.0%
1966 0.0153 kt per square kilometre +0.0%
1967 0.0204 kt per square kilometre +33.6%
1968 0.0204 kt per square kilometre +0.0%
1969 0.0153 kt per square kilometre -25.2%
1970 0.0357 kt per square kilometre +133.6%
1971 0.0254 kt per square kilometre -28.8%
1972 0.0306 kt per square kilometre +20.2%
1973 0.0357 kt per square kilometre +16.8%
1974 0.0306 kt per square kilometre -14.4%
1975 0.0458 kt per square kilometre +50.0%
1976 0.0407 kt per square kilometre -11.2%
1977 0.0407 kt per square kilometre +0.0%
1978 0.051 kt per square kilometre +25.3%
1979 0.056 kt per square kilometre +9.8%
1980 0.056 kt per square kilometre +0.0%
1981 0.0663 kt per square kilometre +18.4%
1982 0.0611 kt per square kilometre -7.8%
1983 0.0663 kt per square kilometre +8.4%
1984 0.0663 kt per square kilometre +0.0%
1985 0.0663 kt per square kilometre +0.0%
1986 0.0663 kt per square kilometre +0.0%
1987 0.0764 kt per square kilometre +15.3%
1988 0.0968 kt per square kilometre +26.7%
1989 0.0968 kt per square kilometre +0.0%
1990 0.1171 kt per square kilometre +20.9%
1991 0.1222 kt per square kilometre +4.4%
1992 0.0968 kt per square kilometre -20.8%
1993 0.1171 kt per square kilometre +20.9%
1994 0.1274 kt per square kilometre +8.8%
1995 0.1324 kt per square kilometre +3.9%
1996 0.1069 kt per square kilometre -19.2%
1997 0.1375 kt per square kilometre +28.6%
1998 0.1222 kt per square kilometre -11.1%
1999 0.1528 kt per square kilometre +25.0%
2000 0.1324 kt per square kilometre -13.4%
2001 0.1222 kt per square kilometre -7.7%
2002 0.1431 kt per square kilometre +17.0%
2003 0.1625 kt per square kilometre +13.6%
2004 0.1528 kt per square kilometre -6.0%
2005 0.1583 kt per square kilometre +3.6%
2006 0.1778 kt per square kilometre +12.3%
2007 0.1583 kt per square kilometre -10.9%
2008 0.1681 kt per square kilometre +6.1%
2009 0.1833 kt per square kilometre +9.1%
2010 0.1625 kt per square kilometre -11.4%
2011 0.1431 kt per square kilometre -12.0%
2012 0.1472 kt per square kilometre +2.9%
2013 0.1583 kt per square kilometre +7.5%
2014 0.1583 kt per square kilometre +0.0%
2015 0.1625 kt per square kilometre +2.6%
2016 0.1736 kt per square kilometre +6.8%
2017 0.1889 kt per square kilometre +8.8%
2018 0.1889 kt per square kilometre +0.0%
2019 0.2236 kt per square kilometre +18.4%
2020 0.2542 kt per square kilometre +13.7%
2021 0.2389 kt per square kilometre -6.0%
2022 0.25 kt per square kilometre +4.7%
2023 0.2625 kt per square kilometre +5.0%

Tonga compared with similar countries

  • Tonga's 0.2625 kt per square kilometre is above the median for upper middle income countries, which is 0.2479 kt per square kilometre, 1.1× the median. (55 countries reporting)
  • Tonga's 0.2625 kt per square kilometre is above the median for East Asia & Pacific, which is 0.2625 kt per square kilometre, 1.0× the median. (27 countries reporting)

Biggest year-on-year movements

Years where Energy — Emissions (CO2), per square kilometre in Tonga 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
1970 +133.6% 0.0153 kt per square kilometre 0.0357 kt per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0164 kt per square kilometre 0.0153 kt per square kilometre 0.0204 kt per square kilometre 9
1970s 0.0392 kt per square kilometre 0.0254 kt per square kilometre 0.056 kt per square kilometre 10
1980s 0.0718 kt per square kilometre 0.056 kt per square kilometre 0.0968 kt per square kilometre 10
1990s 0.1232 kt per square kilometre 0.0968 kt per square kilometre 0.1528 kt per square kilometre 10
2000s 0.1559 kt per square kilometre 0.1222 kt per square kilometre 0.1833 kt per square kilometre 10
2010s 0.1707 kt per square kilometre 0.1431 kt per square kilometre 0.2236 kt per square kilometre 10
2020s 0.2514 kt per square kilometre 0.2389 kt per square kilometre 0.2625 kt per square kilometre 4

Countries ranked near Tonga

  1. 73 Saudi Arabia 0.3056 kt per square kilometre compare
  2. 74 Sri Lanka 0.278 kt per square kilometre compare
  3. 75 Uzbekistan 0.2655 kt per square kilometre compare
  4. 77 Belarus 0.2616 kt per square kilometre compare
  5. 78 Romania 0.2582 kt per square kilometre compare
  6. 79 Equatorial Guinea 0.251 kt per square kilometre compare

See the full ranking of 187 places →

More climate change data for Tonga

All data for Tonga →

Frequently asked questions

What is energy — emissions (co2), per square kilometre in Tonga?
Energy — emissions (co2), per square kilometre in Tonga was 0.2625 kt per square kilometre in 2023, according to Statizoid (derived).
What is the highest energy — emissions (co2), per square kilometre recorded in Tonga?
The highest recorded value was 0.2625 kt per square kilometre in 2023.
What is the lowest energy — emissions (co2), per square kilometre recorded in Tonga?
The lowest recorded value was 0.0153 kt per square kilometre in 1961.
How does Tonga rank for energy — emissions (co2), per square kilometre?
Tonga ranks 76th out of 186 countries with data for 2023.
Is energy — emissions (co2), per square kilometre rising or falling in Tonga?
Over the last ten years it is up 65.8%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Statizoid (derived), published as part of Energy — Emissions (CO2), per square kilometre. Statizoid updates them automatically from the source API.

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Energy — Emissions (CO2), per square kilometre in Tonga. Statizoid, drawing on Statizoid (derived). Retrieved 25 September 2026, from https://climate.statizoid.com/stat/energy-emissions-co2-per-square-kilometre/tonga/

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<a href="https://climate.statizoid.com/stat/energy-emissions-co2-per-square-kilometre/tonga/">Energy — Emissions (CO2), per square kilometre in Tonga</a> — Statizoid

How this figure is calculated

Energy — Emissions (CO2) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Energy — Emissions (CO2) ÷ Land area (sq. km)

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Energy — Emissions (CO2), per square kilometre
Unit
kt per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
187 places, 10,734 data points, 1961–2023
Last refreshed

Energy — Emissions (CO2) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.