Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore

Singapore: Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per was 0.0007 Mt CO2e per square kilometre in 2023. ◆ Volatile

Latest (2023)
0.0007 Mt CO2e per square kilometre
Change on year
down 4.8%
World rank
3rd
of 203 countries
All-time high
0.0153 Mt CO2e per square kilometre
in 1998
All-time low
0.0002 Mt CO2e per square kilometre
in 1970
Years of data
54
1970–2023

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore, 1970–2023

00.0050.010.015197019962023

Source: Statizoid (derived). Measured in Mt CO2e per square kilometre.

Analysis

Singapore recorded 0.0007 Mt CO2e per square kilometre for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per in 2023.

That represents a change of down 4.8% on the previous year and up 9.4% over ten years.

Over the whole period, nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per in Singapore peaked at 0.0153 Mt CO2e per square kilometre in 1998 and was at its lowest, 0.0002 Mt CO2e per square kilometre, in 1970.

That places Singapore 3rd out of 203 countries with data for 2023, putting it in the top 10%.

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

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore, year by year

Annual values for Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre in Singapore, 1970 to 2023.
Year Mt CO2e per square kilometre Change
1970 0.0002 Mt CO2e per square kilometre
1971 0.0002 Mt CO2e per square kilometre +1.6%
1972 0.0002 Mt CO2e per square kilometre +7.3%
1973 0.0003 Mt CO2e per square kilometre +11.2%
1974 0.0003 Mt CO2e per square kilometre -0.3%
1975 0.0003 Mt CO2e per square kilometre -1.5%
1976 0.0003 Mt CO2e per square kilometre +5.4%
1977 0.0003 Mt CO2e per square kilometre +14.6%
1978 0.0003 Mt CO2e per square kilometre +4.3%
1979 0.0003 Mt CO2e per square kilometre +7.4%
1980 0.0003 Mt CO2e per square kilometre -4.7%
1981 0.0003 Mt CO2e per square kilometre +2.9%
1982 0.0003 Mt CO2e per square kilometre +1.5%
1983 0.0004 Mt CO2e per square kilometre +4.3%
1984 0.0004 Mt CO2e per square kilometre +3.3%
1985 0.0004 Mt CO2e per square kilometre -3.8%
1986 0.0004 Mt CO2e per square kilometre +0.4%
1987 0.0004 Mt CO2e per square kilometre +0.4%
1988 0.0004 Mt CO2e per square kilometre -0.3%
1989 0.0004 Mt CO2e per square kilometre +10.2%
1990 0.0005 Mt CO2e per square kilometre +20.2%
1991 0.0005 Mt CO2e per square kilometre +4.7%
1992 0.0005 Mt CO2e per square kilometre -0.5%
1993 0.0011 Mt CO2e per square kilometre +124.8%
1994 0.0017 Mt CO2e per square kilometre +55.5%
1995 0.0041 Mt CO2e per square kilometre +137.2%
1996 0.005 Mt CO2e per square kilometre +21.5%
1997 0.0072 Mt CO2e per square kilometre +45.5%
1998 0.0153 Mt CO2e per square kilometre +110.8%
1999 0.0114 Mt CO2e per square kilometre -25.5%
2000 0.0114 Mt CO2e per square kilometre +0.1%
2001 0.0124 Mt CO2e per square kilometre +8.8%
2002 0.0014 Mt CO2e per square kilometre -88.5%
2003 0.0017 Mt CO2e per square kilometre +23.0%
2004 0.0017 Mt CO2e per square kilometre -1.8%
2005 0.0015 Mt CO2e per square kilometre -10.9%
2006 0.0016 Mt CO2e per square kilometre +2.6%
2007 0.0016 Mt CO2e per square kilometre -0.3%
2008 0.0012 Mt CO2e per square kilometre -24.0%
2009 0.001 Mt CO2e per square kilometre -18.2%
2010 0.0018 Mt CO2e per square kilometre +81.9%
2011 0.0016 Mt CO2e per square kilometre -9.5%
2012 0.0005 Mt CO2e per square kilometre -66.6%
2013 0.0006 Mt CO2e per square kilometre +21.3%
2014 0.0007 Mt CO2e per square kilometre +13.6%
2015 0.0008 Mt CO2e per square kilometre +4.8%
2016 0.0008 Mt CO2e per square kilometre +2.2%
2017 0.0008 Mt CO2e per square kilometre +5.6%
2018 0.0008 Mt CO2e per square kilometre -5.8%
2019 0.0008 Mt CO2e per square kilometre -2.6%
2020 0.0007 Mt CO2e per square kilometre -5.0%
2021 0.0008 Mt CO2e per square kilometre +4.9%
2022 0.0007 Mt CO2e per square kilometre -2.3%
2023 0.0007 Mt CO2e per square kilometre -4.8%

Singapore compared with similar countries

  • Singapore's 0.0007 Mt CO2e per square kilometre is above the median for high income countries, which is 0 Mt CO2e per square kilometre, 18.2× the median. (77 countries reporting)
  • Singapore's 0.0007 Mt CO2e per square kilometre is above the median for East Asia & Pacific, which is 0 Mt CO2e per square kilometre, 34.9× the median. (37 countries reporting)

Biggest year-on-year movements

Years where Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore 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
1995 +137.2% 0.0017 Mt CO2e per square kilometre 0.0041 Mt CO2e per square kilometre
1993 +124.8% 0.0005 Mt CO2e per square kilometre 0.0011 Mt CO2e per square kilometre
1998 +110.8% 0.0072 Mt CO2e per square kilometre 0.0153 Mt CO2e per square kilometre
2002 -88.5% 0.0124 Mt CO2e per square kilometre 0.0014 Mt CO2e per square kilometre
2010 +81.9% 0.001 Mt CO2e per square kilometre 0.0018 Mt CO2e per square kilometre
2012 -66.6% 0.0016 Mt CO2e per square kilometre 0.0005 Mt CO2e per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.0003 Mt CO2e per square kilometre 0.0002 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 10
1980s 0.0004 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 0.0004 Mt CO2e per square kilometre 10
1990s 0.0047 Mt CO2e per square kilometre 0.0005 Mt CO2e per square kilometre 0.0153 Mt CO2e per square kilometre 10
2000s 0.0035 Mt CO2e per square kilometre 0.001 Mt CO2e per square kilometre 0.0124 Mt CO2e per square kilometre 10
2010s 0.0009 Mt CO2e per square kilometre 0.0005 Mt CO2e per square kilometre 0.0018 Mt CO2e per square kilometre 10
2020s 0.0007 Mt CO2e per square kilometre 0.0007 Mt CO2e per square kilometre 0.0008 Mt CO2e per square kilometre 4

Countries ranked near Singapore

  1. 1 Macao 0.0012 Mt CO2e per square kilometre compare
  2. 2 Gibraltar 0.0008 Mt CO2e per square kilometre compare
  3. 4 Hong Kong 0.0005 Mt CO2e per square kilometre compare
  4. 5 Bahrain 0.0003 Mt CO2e per square kilometre compare
  5. 6 Belgium 0.0002 Mt CO2e per square kilometre compare

See the full ranking of 250 places →

More environment data for Singapore

All data for Singapore →

Frequently asked questions

What is nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per in Singapore?
Nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per in Singapore was 0.0007 Mt CO2e per square kilometre in 2023, according to Statizoid (derived).
What is the highest nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per recorded in Singapore?
The highest recorded value was 0.0153 Mt CO2e per square kilometre in 1998.
What is the lowest nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per recorded in Singapore?
The lowest recorded value was 0.0002 Mt CO2e per square kilometre in 1970.
How does Singapore rank for nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per?
Singapore ranks 3rd out of 203 countries with data for 2023.
Is nitrous oxide (n2o) emissions (total) excluding lulucf (mt co2e), per rising or falling in Singapore?
Over the last ten years it is up 9.4%. The long-run trend across the full record is volatile.
Where does this Singapore data come from?
The figures come from Statizoid (derived), published as part of Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre. Statizoid updates them automatically from the source API.

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Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/stat/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/singapore/

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<a href="https://environment.statizoid.com/stat/nitrous-oxide-n2o-emissions-total-excluding-lulucf-mt-co2e-per-square-kilometre/singapore/">Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per in Singapore</a> — Statizoid

How this figure is calculated

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e) 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.

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e) ÷ 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
Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e), per square kilometre
Unit
Mt CO2e per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
250 places, 12,804 data points, 1970–2023
Last refreshed

Nitrous oxide (N2O) emissions (total) excluding LULUCF (Mt CO2e) 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.