How many years of comparable data are there for Hong Kong and Japan?

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Japan: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Japan

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong rank

182nd

Japan rank

181st

Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit over time

Hong Kong
Japan

How they compare

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

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

Hong Kong ranks 182nd and Japan ranks 181st of 200 countries.

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

Head to head by decade

Decade	Hong Kong	Japan	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Hong Kong
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 methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit, Hong Kong or Japan?: Japan, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Hong Kong as of 2024.
What is the difference in methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit between Hong Kong and Japan?: 0 Mt CO2e per US$ of GDP, with Japan ahead.
How many years of comparable data are there for Hong Kong and Japan?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Japan rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit?: Hong Kong ranks 182nd and Japan ranks 181st of 200 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Hong Kong vs Japan: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/hong-kong-sar-china/japan/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/hong-kong-sar-china/japan/">Hong Kong vs Japan: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions (total) excluding LULUCF (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: 21 September 2026

Methane (CH4) emissions (total) excluding LULUCF (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.