Hong Kong vs Pacific island small states: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e)

Hong Kong
13.53 % change on previous year
in 2024
Pacific island small states
4.88 % change on previous year
in 2024
Hong Kong rank
4th
Pacific island small states rank
4th

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

  • Hong Kong
  • Pacific island small states
-50050100150197119972024

How they compare

Hong Kong currently reports 13.53 % change on previous year against 4.88 % change on previous year in Pacific island small states, a difference of 8.65 % change on previous year.

That makes Hong Kong's figure about 2.8 times Pacific island small states's.

The two have swapped places 27 times across 54 shared years of data; in 1971 it was Pacific island small states ahead.

Hong Kong ranks 4th and Pacific island small states ranks 4th of 194 countries.

Across the 6 decades both report, Hong Kong averaged higher in 4 and Pacific island small states in 2.

Head to head by decade

Decade Hong Kong Pacific island small states Difference Ahead
1970s 19.17 % change on previous year 1.52 % change on previous year 17.65 % change on previous year Hong Kong
1980s 5.01 % change on previous year 0.7583 % change on previous year 4.25 % change on previous year Hong Kong
1990s 25.36 % change on previous year 13.35 % change on previous year 12.01 % change on previous year Hong Kong
2000s -8.35 % change on previous year -4.52 % change on previous year 3.83 % change on previous year Pacific island small states
2010s 2.06 % change on previous year 2.53 % change on previous year 0.4738 % change on previous year Pacific island small states
2020s 6.34 % change on previous year 1.85 % change on previous year 4.48 % 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 transport (energy) (mt co2e), Hong Kong or Pacific island small states?
Hong Kong, at 13.53 % change on previous year against 4.88 % change on previous year in Pacific island small states as of 2024.
What is the difference in nitrous oxide (n2o) emissions from transport (energy) (mt co2e) between Hong Kong and Pacific island small states?
8.65 % change on previous year, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Pacific island small states?
54 years are reported by both, from 1971 to 2024.
How do Hong Kong and Pacific island small states rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e)?
Hong Kong ranks 4th and Pacific island small states ranks 4th of 194 countries.
Where does this data come from?
Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (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 Pacific island small states: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e). Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-annual-growth-rate/hong-kong-sar-china/pacific-island-small-states/

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About this data

Indicator
Nitrous oxide (N2O) emissions from Transport (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
241 places, 12,743 data points, 1971–2024
Last refreshed

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