Hong Kong vs Macao: Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e)

Hong Kong
4.97 % change on previous year
in 2024
Macao
4.84 % change on previous year
in 2024
Hong Kong rank
48th
Macao rank
49th

Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e) over time

  • Hong Kong
  • Macao
-2002040197119972024

How they compare

Hong Kong currently reports 4.97 % change on previous year against 4.84 % change on previous year in Macao, a difference of 0.13 % change on previous year.

The two have swapped places 25 times across 54 shared years of data; in 1971 it was Macao ahead.

Hong Kong ranks 48th and Macao ranks 49th of 202 countries.

Across the 6 decades both report, Hong Kong averaged higher in 1 and Macao in 5.

Head to head by decade

Decade Hong Kong Macao Difference Ahead
1970s 5.8 % change on previous year 7.49 % change on previous year 1.68 % change on previous year Macao
1980s 6.45 % change on previous year 8.98 % change on previous year 2.53 % change on previous year Macao
1990s 7.76 % change on previous year 10.16 % change on previous year 2.4 % change on previous year Macao
2000s -5.71 % change on previous year -0.7424 % change on previous year 4.97 % change on previous year Macao
2010s -1.44 % change on previous year -0.3196 % change on previous year 1.12 % change on previous year Macao
2020s -3.32 % change on previous year -4.02 % change on previous year 0.6927 % change on previous year Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from industrial processes (mt co2e), Hong Kong or Macao?
Hong Kong, at 4.97 % change on previous year against 4.84 % change on previous year in Macao as of 2024.
What is the difference in nitrous oxide (n2o) emissions from industrial processes (mt co2e) between Hong Kong and Macao?
0.13 % change on previous year, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Macao?
54 years are reported by both, from 1971 to 2024.
How do Hong Kong and Macao rank globally for nitrous oxide (n2o) emissions from industrial processes (mt co2e)?
Hong Kong ranks 48th and Macao ranks 49th of 202 countries.
Where does this data come from?
Statizoid (derived), published as Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Macao: Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-industrial-processes-mt-co2e-annual-growth-rate/hong-kong-sar-china/macao-sar-china/

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About this data

Indicator
Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e), annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
249 places, 13,389 data points, 1971–2024
Last refreshed

The year-on-year percentage change in Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.