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

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

Where does this data come from?

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

China vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP

China

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

China rank

159th

Hong Kong rank

158th

Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP over time

China
Hong Kong

How they compare

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

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

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

China ranks 159th and Hong Kong ranks 158th of 200 countries.

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

Head to head by decade

Decade	China	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	China

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from waste (mt co2e), per unit of gdp, China or Hong Kong?: Hong Kong, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in China as of 2024.
What is the difference in methane (ch4) emissions from waste (mt co2e), per unit of gdp between China and Hong Kong?: 0 Mt CO2e per US$ of GDP, with Hong Kong ahead.
How many years of comparable data are there for China and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do China and Hong Kong rank globally for methane (ch4) emissions from waste (mt co2e), per unit of gdp?: China ranks 159th and Hong Kong ranks 158th of 200 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Waste (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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China vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-unit-of-gdp/china/hong-kong-sar-china/

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About this data

Indicator: Methane (CH4) emissions from Waste (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 from Waste (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.