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

Hong Kong
0 Mt CO2e per US$ of GDP
in 2024
Singapore
0 Mt CO2e per US$ of GDP
in 2024
Hong Kong rank
190th
Singapore rank
193rd

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

  • Hong Kong
  • Singapore
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How they compare

Hong Kong currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Singapore, a difference of 0 Mt CO2e per US$ of GDP.

That makes Hong Kong's figure about 1.2 times Singapore's.

The two have swapped places 1 time across 55 shared years of data; in 1970 it was Singapore ahead.

Hong Kong ranks 190th and Singapore ranks 193rd of 200 countries.

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

Head to head by decade

Decade Hong Kong Singapore Difference Ahead
1970s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP Singapore
1980s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP Singapore
1990s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP Singapore
2000s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP Singapore
2010s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP Singapore
2020s 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 0 Mt CO2e per US$ of GDP 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 Singapore?
Hong Kong, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Singapore as of 2024.
What is the difference in nitrous oxide (n2o) emissions from industrial processes (mt co2e) between Hong Kong and Singapore?
0 Mt CO2e per US$ of GDP, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Singapore?
55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Singapore rank globally for nitrous oxide (n2o) emissions from industrial processes (mt co2e)?
Hong Kong ranks 190th and Singapore ranks 193rd of 200 countries.
Where does this data come from?
Statizoid (derived), published as Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Singapore: 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-per-unit-of-gdp/hong-kong-sar-china/singapore/

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About this data

Indicator
Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e), per unit of GDP
Unit
Mt CO2e per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
247 places, 12,498 data points, 1970–2024
Last refreshed

Nitrous oxide (N2O) emissions from Industrial Processes (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.