Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao

Macao: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per was 0.0002 Mt CO2e per square kilometre in 2023. ◆ Volatile

Latest (2023)
0.0002 Mt CO2e per square kilometre
Change on year
unchanged
World rank
2nd
of 194 countries
All-time high
0.0007 Mt CO2e per square kilometre
in 1994
All-time low
0 Mt CO2e per square kilometre
in 1970
Years of data
54
1970–2023

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao, 1970–2023

0000.001197019962023

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

Analysis

Macao recorded 0.0002 Mt CO2e per square kilometre for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per in 2023.

That represents a change of down 5.9% over ten years.

Over the whole period, nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per in Macao peaked at 0.0007 Mt CO2e per square kilometre in 1994 and was at its lowest, 0 Mt CO2e per square kilometre, in 1970.

Macao ranks 2nd of 194 countries on this measure, in the top 10%.

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

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao, year by year

Annual values for Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per square kilometre in Macao, 1970 to 2023.
Year Mt CO2e per square kilometre Change
1970 0 Mt CO2e per square kilometre
1971 0 Mt CO2e per square kilometre +0.0%
1972 0 Mt CO2e per square kilometre +14.3%
1973 0 Mt CO2e per square kilometre -12.5%
1974 0 Mt CO2e per square kilometre +0.0%
1975 0.0001 Mt CO2e per square kilometre +42.9%
1976 0 Mt CO2e per square kilometre -20.0%
1977 0 Mt CO2e per square kilometre +12.5%
1978 0.0001 Mt CO2e per square kilometre +11.1%
1979 0.0001 Mt CO2e per square kilometre +10.0%
1980 0.0001 Mt CO2e per square kilometre -9.1%
1981 0.0001 Mt CO2e per square kilometre +20.0%
1982 0.0001 Mt CO2e per square kilometre +8.3%
1983 0.0001 Mt CO2e per square kilometre +30.8%
1984 0.0001 Mt CO2e per square kilometre +11.8%
1985 0.0001 Mt CO2e per square kilometre +5.3%
1986 0.0001 Mt CO2e per square kilometre +25.0%
1987 0.0001 Mt CO2e per square kilometre +16.0%
1988 0.0001 Mt CO2e per square kilometre -3.4%
1989 0.0001 Mt CO2e per square kilometre -3.6%
1990 0.0003 Mt CO2e per square kilometre +125.9%
1991 0.0005 Mt CO2e per square kilometre +67.2%
1992 0.0006 Mt CO2e per square kilometre +11.8%
1993 0.0006 Mt CO2e per square kilometre +7.9%
1994 0.0007 Mt CO2e per square kilometre +8.1%
1995 0.0005 Mt CO2e per square kilometre -30.1%
1996 0.0004 Mt CO2e per square kilometre -4.3%
1997 0.0005 Mt CO2e per square kilometre +6.7%
1998 0.0005 Mt CO2e per square kilometre +2.1%
1999 0.0005 Mt CO2e per square kilometre +9.3%
2000 0.0004 Mt CO2e per square kilometre -32.1%
2001 0.0003 Mt CO2e per square kilometre -25.2%
2002 0.0003 Mt CO2e per square kilometre -2.3%
2003 0.0003 Mt CO2e per square kilometre +1.4%
2004 0.0003 Mt CO2e per square kilometre +0.4%
2005 0.0003 Mt CO2e per square kilometre +2.7%
2006 0.0003 Mt CO2e per square kilometre +19.5%
2007 0.0003 Mt CO2e per square kilometre -4.1%
2008 0.0003 Mt CO2e per square kilometre +7.6%
2009 0.0004 Mt CO2e per square kilometre +14.0%
2010 0.0003 Mt CO2e per square kilometre -13.7%
2011 0.0003 Mt CO2e per square kilometre +2.3%
2012 0.0004 Mt CO2e per square kilometre +14.7%
2013 0.0003 Mt CO2e per square kilometre -32.5%
2014 0.0003 Mt CO2e per square kilometre +1.3%
2015 0.0004 Mt CO2e per square kilometre +37.8%
2016 0.0004 Mt CO2e per square kilometre +7.7%
2017 0.0004 Mt CO2e per square kilometre -7.5%
2018 0.0003 Mt CO2e per square kilometre -21.3%
2019 0.0003 Mt CO2e per square kilometre +7.4%
2020 0.0003 Mt CO2e per square kilometre -10.8%
2021 0.0003 Mt CO2e per square kilometre -1.4%
2022 0.0002 Mt CO2e per square kilometre -8.9%
2023 0.0002 Mt CO2e per square kilometre +0.0%

Macao compared with similar countries

  • Macao's 0.0002 Mt CO2e per square kilometre is above the median for high income countries, which is 0 Mt CO2e per square kilometre, 128.3× the median. (71 countries reporting)
  • Macao's 0.0002 Mt CO2e per square kilometre is above the median for East Asia & Pacific, which is 0 Mt CO2e per square kilometre, 272.8× the median. (30 countries reporting)

Biggest year-on-year movements

Years where Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao 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
1990 +125.9% 0.0001 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1970s 0 Mt CO2e per square kilometre 0 Mt CO2e per square kilometre 0.0001 Mt CO2e per square kilometre 10
1980s 0.0001 Mt CO2e per square kilometre 0.0001 Mt CO2e per square kilometre 0.0001 Mt CO2e per square kilometre 10
1990s 0.0005 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 0.0007 Mt CO2e per square kilometre 10
2000s 0.0003 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 0.0004 Mt CO2e per square kilometre 10
2010s 0.0003 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 0.0004 Mt CO2e per square kilometre 10
2020s 0.0003 Mt CO2e per square kilometre 0.0002 Mt CO2e per square kilometre 0.0003 Mt CO2e per square kilometre 4

Countries ranked near Macao

  1. 1 Gibraltar 0.0005 Mt CO2e per square kilometre compare
  2. 3 Hong Kong 0.0001 Mt CO2e per square kilometre compare
  3. 4 Singapore 0.0001 Mt CO2e per square kilometre compare
  4. 5 Maldives 0 Mt CO2e per square kilometre compare

See the full ranking of 241 places →

More environment data for Macao

All data for Macao →

Frequently asked questions

What is nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per in Macao?
Nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per in Macao was 0.0002 Mt CO2e per square kilometre in 2023, according to Statizoid (derived).
What is the highest nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per recorded in Macao?
The highest recorded value was 0.0007 Mt CO2e per square kilometre in 1994.
What is the lowest nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per recorded in Macao?
The lowest recorded value was 0 Mt CO2e per square kilometre in 1970.
How does Macao rank for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per?
Macao ranks 2nd out of 194 countries with data for 2023.
Is nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per rising or falling in Macao?
Over the last ten years it is down 5.9%. The long-run trend across the full record is volatile.
Where does this Macao data come from?
The figures come from Statizoid (derived), published as part of Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per square kilometre. Statizoid updates them automatically from the source API.

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Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/stat/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-square-kilometre/macao-sar-china/

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<a href="https://environment.statizoid.com/stat/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-square-kilometre/macao-sar-china/">Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per in Macao</a> — Statizoid

How this figure is calculated

Nitrous oxide (N2O) emissions from Transport (Energy) (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 from Transport (Energy) (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 from Transport (Energy) (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
241 places, 12,381 data points, 1970–2023
Last refreshed

Nitrous oxide (N2O) emissions from Transport (Energy) (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.