Hong Kong vs Romania: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e)

Hong Kong
-11.78 % change on previous year
in 2024
Romania
-13.2 % change on previous year
in 2024
Hong Kong rank
177th
Romania rank
179th

Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e) over time

  • Hong Kong
  • Romania
-50050100197119972024

How they compare

Hong Kong currently reports -11.78 % change on previous year against -13.2 % change on previous year in Romania, a difference of 1.42 % change on previous year.

The two have swapped places 31 times across 54 shared years of data; in 1971 it was Romania ahead.

Hong Kong ranks 177th and Romania ranks 179th of 193 countries.

Hong Kong has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Hong Kong Romania Difference Ahead
1970s 7.84 % change on previous year 5.33 % change on previous year 2.51 % change on previous year Hong Kong
1980s 29.21 % change on previous year 6.61 % change on previous year 22.59 % change on previous year Hong Kong
1990s -2.99 % change on previous year -6.07 % change on previous year 3.08 % change on previous year Hong Kong
2000s 6.79 % change on previous year 2.33 % change on previous year 4.46 % change on previous year Hong Kong
2010s -0.6941 % change on previous year -2.78 % change on previous year 2.09 % change on previous year Hong Kong
2020s -9.7 % change on previous year -11.33 % change on previous year 1.63 % 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 power industry (energy) (mt co2e), Hong Kong or Romania?
Hong Kong, at -11.78 % change on previous year against -13.2 % change on previous year in Romania as of 2024.
What is the difference in nitrous oxide (n2o) emissions from power industry (energy) (mt co2e) between Hong Kong and Romania?
1.42 % change on previous year, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Romania?
54 years are reported by both, from 1971 to 2024.
How do Hong Kong and Romania rank globally for nitrous oxide (n2o) emissions from power industry (energy) (mt co2e)?
Hong Kong ranks 177th and Romania ranks 179th of 193 countries.
Where does this data come from?
Statizoid (derived), published as Nitrous oxide (N2O) emissions from Power Industry (Energy) (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 Romania: Nitrous oxide (N2O) emissions from Power Industry (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 19 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-power-industry-energy-mt-co2e-annual-growth-rate/hong-kong-sar-china/romania/

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About this data

Indicator
Nitrous oxide (N2O) emissions from Power Industry (Energy) (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
240 places, 12,091 data points, 1971–2024
Last refreshed

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