Energy — Emissions (CO2eq) from N2O (AR5) in Tonga

Tonga: Energy — Emissions (CO2eq) from N2O (AR5) was 1.88 kt in 2023. ◆ Volatile

Latest (2023)
1.88 kt
Change on year
up 3.4%
World rank
210th
of 229 countries
All-time high
2.5 kt
in 1999
All-time low
0.0496 kt
in 1961
Years of data
63
1961–2023

Energy — Emissions (CO2eq) from N2O in Tonga, 1961–2023

00.511.522.5196119922023

Source: Food and Agriculture Organization of the United Nations. Measured in kt.

Analysis

Tonga recorded 1.88 kt for energy — emissions (co2eq) from n2o in 2023.

That represents a change of up 3.4% on the previous year and up 75.7% over ten years.

Over the whole period, energy — emissions (co2eq) from n2o in Tonga peaked at 2.5 kt in 1999 and was at its lowest, 0.0496 kt, in 1961.

That places Tonga 210th out of 229 countries with data for 2023, putting it in the bottom quarter.

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

Energy — Emissions (CO2eq) from N2O (AR5) in Tonga, year by year

Annual values for Energy — Emissions (CO2eq) from N2O (AR5) in Tonga, 1961 to 2023.
Year kt Change
1961 0.0496 kt —
1962 0.0511 kt +3.0%
1963 0.0527 kt +3.1%
1964 0.0546 kt +3.6%
1965 0.0562 kt +2.9%
1966 0.0578 kt +2.8%
1967 0.0591 kt +2.2%
1968 0.0604 kt +2.2%
1969 0.0615 kt +1.8%
1970 0.1036 kt +68.5%
1971 0.1034 kt -0.2%
1972 0.1134 kt +9.7%
1973 0.1198 kt +5.6%
1974 0.1338 kt +11.7%
1975 0.1423 kt +6.4%
1976 0.1285 kt -9.7%
1977 0.141 kt +9.7%
1978 0.1444 kt +2.4%
1979 0.1545 kt +7.0%
1980 0.1807 kt +17.0%
1981 0.2756 kt +52.5%
1982 0.2836 kt +2.9%
1983 0.2809 kt -1.0%
1984 0.26 kt -7.4%
1985 0.3021 kt +16.2%
1986 0.2154 kt -28.7%
1987 0.5035 kt +133.8%
1988 0.636 kt +26.3%
1989 0.7261 kt +14.2%
1990 1.11 kt +53.3%
1991 1.17 kt +4.8%
1992 1.34 kt +14.8%
1993 1.32 kt -1.2%
1994 1.92 kt +45.5%
1995 1.54 kt -19.8%
1996 1.87 kt +21.1%
1997 2.24 kt +19.7%
1998 2.48 kt +10.7%
1999 2.5 kt +0.9%
2000 0.8586 kt -65.6%
2001 0.7738 kt -9.9%
2002 0.8348 kt +7.9%
2003 0.9964 kt +19.4%
2004 0.8613 kt -13.6%
2005 0.9116 kt +5.8%
2006 1.03 kt +12.5%
2007 1.14 kt +11.6%
2008 1.31 kt +14.8%
2009 1.21 kt -8.3%
2010 1.24 kt +3.1%
2011 1.12 kt -9.6%
2012 1.15 kt +2.6%
2013 1.07 kt -7.1%
2014 1.11 kt +3.7%
2015 1.09 kt -1.4%
2016 1.22 kt +11.6%
2017 1.55 kt +26.7%
2018 1.29 kt -16.9%
2019 1.59 kt +23.9%
2020 1.63 kt +2.2%
2021 1.73 kt +6.2%
2022 1.82 kt +5.4%
2023 1.88 kt +3.4%

Tonga compared with similar countries

  • Tonga's 1.88 kt is below the median for upper middle income countries, which is 219.29 kt, 1% of the median. (54 countries reporting)
  • Tonga's 1.88 kt is below the median for East Asia & Pacific, which is 307.4 kt, 1% of the median. (26 countries reporting)

Biggest year-on-year movements

Years where Energy — Emissions (CO2eq) from N2O (AR5) 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
1987 +133.8% 0.2154 kt 0.5035 kt
2000 -65.6% 2.5 kt 0.8586 kt
1970 +68.5% 0.0615 kt 0.1036 kt

Averages by decade

DecadeAverage LowestHighest Years
1960s 0.0559 kt 0.0496 kt 0.0615 kt 9
1970s 0.1285 kt 0.1034 kt 0.1545 kt 10
1980s 0.3664 kt 0.1807 kt 0.7261 kt 10
1990s 1.75 kt 1.11 kt 2.5 kt 10
2000s 0.9927 kt 0.7738 kt 1.31 kt 10
2010s 1.24 kt 1.07 kt 1.59 kt 10
2020s 1.76 kt 1.63 kt 1.88 kt 4

Countries ranked near Tonga

  1. 207 Andorra 3.31 kt compare
  2. 208 Marshall Islands 3.02 kt compare
  3. 209 Aruba 2.73 kt compare
  4. 211 Saint Lucia 1.82 kt compare
  5. 212 Antigua and Barbuda 1.61 kt compare
  6. 213 Monaco 1.6 kt compare

See the full ranking of 262 places →

More climate change data for Tonga

All data for Tonga →

Frequently asked questions

What is energy — emissions (co2eq) from n2o in Tonga?
Energy — emissions (co2eq) from n2o in Tonga was 1.88 kt in 2023, according to Food and Agriculture Organization of the United Nations.
What is the highest energy — emissions (co2eq) from n2o recorded in Tonga?
The highest recorded value was 2.5 kt in 1999.
What is the lowest energy — emissions (co2eq) from n2o recorded in Tonga?
The lowest recorded value was 0.0496 kt in 1961.
How does Tonga rank for energy — emissions (co2eq) from n2o?
Tonga ranks 210th out of 229 countries with data for 2023.
Is energy — emissions (co2eq) from n2o rising or falling in Tonga?
Over the last ten years it is up 75.7%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from Food and Agriculture Organization of the United Nations, published as part of Energy — Emissions (CO2eq) from N2O (AR5). Statizoid updates them automatically from the source API.

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Energy — Emissions (CO2eq) from N2O in Tonga. Statizoid, drawing on Food and Agriculture Organization of the United Nations. Retrieved 07 November 2026, from https://climate.statizoid.com/stat/energy-emissions-co2eq-from-n2o-ar5-fao-tier-1/tonga/

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About this data

Indicator
Energy — Emissions (CO2eq) from N2O (AR5)
Unit
kt
Source
Food and Agriculture Organization of the United Nations
Licence
CC BY-NC-SA 3.0 IGO (FAO)
Coverage
262 places, 15,109 data points, 1961–2023
Last refreshed

The FAOSTAT domain on Emissions Totals summarizes the greenhouse gas (GHG) emissions disseminated in the FAOSTAT Climate Change domains of emissions from agrifood systems. Data are computed following the Tier 1 methods of the Intergovernmental Panel on Climate Change (IPCC) Guidelines for National greenhouse gas (GHG) Inventories (IPCC, 1996; 1997; 2000; 2002; 2006; 2014). Emissions from other economic sectors as defined by the IPCC are also disseminated in the domain for completeness. Methodological details can be found at: https://files-faostat.fao.org/production/GT/GT_en.pdf