Hong Kong, China vs Ireland: Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators

Hong Kong, China
0.115 Kilogrammes of CO2-equivalent per US dollar
in 2022
Ireland
0.108 Kilogrammes of CO2-equivalent per US dollar
in 2022
Hong Kong, China rank
59th
Ireland rank
62nd

Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators over time

  • Hong Kong, China
  • Ireland
0.20.40.60.8199520082022

How they compare

Hong Kong, China currently reports 0.115 Kilogrammes of CO2-equivalent per US dollar against 0.108 Kilogrammes of CO2-equivalent per US dollar in Ireland, a difference of 0.007 Kilogrammes of CO2-equivalent per US dollar.

That makes Hong Kong, China's figure about 1.1 times Ireland's.

The two have swapped places 1 time across 28 shared years of data; in 1995 it was Ireland ahead.

Hong Kong, China ranks 59th and Ireland ranks 62nd of 66 countries.

Across the 4 decades both report, Hong Kong, China averaged higher in 1 and Ireland in 3.

Head to head by decade

Decade Hong Kong, China Ireland Difference Ahead
1990s 0.398 Kilogrammes of CO2-equivalent per US dollar 0.7714 Kilogrammes of CO2-equivalent per US dollar 0.3734 Kilogrammes of CO2-equivalent per US dollar Ireland
2000s 0.3169 Kilogrammes of CO2-equivalent per US dollar 0.4729 Kilogrammes of CO2-equivalent per US dollar 0.156 Kilogrammes of CO2-equivalent per US dollar Ireland
2010s 0.2303 Kilogrammes of CO2-equivalent per US dollar 0.2623 Kilogrammes of CO2-equivalent per US dollar 0.032 Kilogrammes of CO2-equivalent per US dollar Ireland
2020s 0.1347 Kilogrammes of CO2-equivalent per US dollar 0.1193 Kilogrammes of CO2-equivalent per US dollar 0.0153 Kilogrammes of CO2-equivalent per US dollar Hong Kong, China

Averages of every year both report within each decade.

Frequently asked questions

Which has higher greenhouse gas footprints (ghgfp) 2025 edition: principal indicators, Hong Kong, China or Ireland?
Hong Kong, China, at 0.115 Kilogrammes of CO2-equivalent per US dollar against 0.108 Kilogrammes of CO2-equivalent per US dollar in Ireland as of 2022.
What is the difference in greenhouse gas footprints (ghgfp) 2025 edition: principal indicators between Hong Kong, China and Ireland?
0.007 Kilogrammes of CO2-equivalent per US dollar, with Hong Kong, China ahead.
How many years of comparable data are there for Hong Kong, China and Ireland?
28 years are reported by both, from 1995 to 2022.
How do Hong Kong, China and Ireland rank globally for greenhouse gas footprints (ghgfp) 2025 edition: principal indicators?
Hong Kong, China ranks 59th and Ireland ranks 62nd of 66 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators — Production-based emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong, China vs Ireland: Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 12 September 2026, from https://climate.statizoid.com/compare/greenhouse-gas-footprints-ghgfp-2025-edition-principal-indicators-production-based/hong-kong-sar-china/ireland/

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About this data

Indicator
Greenhouse Gas Footprints (GHGFP) 2025 edition: Principal indicators — Production-based emissions
Unit
Kilogrammes of CO2-equivalent per US dollar
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
80 places, 2,234 data points, 1995–2022
Last refreshed

The Greenhouse Gas emissions Footprints Indicators are calculated by combining the OECD Inter-Country Input-Output (ICIO) Tables and other Greenhouse Gas Emissions databases, such as Air Emissions Accounts. Production-based emissions are estimated according to the residence principle. They refer to the GHG emitted from the resident economic activities and households of a country. Demand-based emissions encompass GHG emissions from the resident households of a country, as well as direct and indirect upstream emissions from its final expenditure of final goods and services. • Methodology: Measuring Greenhouse Gas Footprints in Global Production Networks • Note: Additional information on GHG FP indicators 2025 edition • Contact: icio-tiva.contact@oecd.org. Related datasets •GHG 2025 edition Access to other editions • GHGFP editions