How many years of comparable data are there for Bulgaria 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 capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per capita

Bulgaria

0 Mt CO2e per person

in 2024

Hong Kong

0 Mt CO2e per person

in 2024

Bulgaria rank

19th

Hong Kong rank

20th

Methane (CH4) emissions from Waste (Mt CO2e), per capita over time

Bulgaria
Hong Kong

How they compare

Bulgaria currently reports 0 Mt CO2e per person against 0 Mt CO2e per person in Hong Kong, a difference of 0 Mt CO2e per person.

The two have swapped places 2 times across 55 shared years of data; in 1970 it was Bulgaria ahead.

Bulgaria ranks 19th and Hong Kong ranks 20th of 203 countries.

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

Head to head by decade

Decade	Bulgaria	Hong Kong	Difference	Ahead
1970s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Bulgaria
1980s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Bulgaria
1990s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Hong Kong
2000s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Bulgaria
2010s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Bulgaria
2020s	0 Mt CO2e per person	0 Mt CO2e per person	0 Mt CO2e per person	Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher methane (ch4) emissions from waste (mt co2e), per capita, Bulgaria or Hong Kong?: Bulgaria, at 0 Mt CO2e per person against 0 Mt CO2e per person in Hong Kong as of 2024.
What is the difference in methane (ch4) emissions from waste (mt co2e), per capita between Bulgaria and Hong Kong?: 0 Mt CO2e per person, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Hong Kong?: 55 years are reported by both, from 1970 to 2024.
How do Bulgaria and Hong Kong rank globally for methane (ch4) emissions from waste (mt co2e), per capita?: Bulgaria ranks 19th and Hong Kong ranks 20th of 203 countries.
Where does this data come from?: Statizoid (derived), published as Methane (CH4) emissions from Waste (Mt CO2e), per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per capita. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-capita/bulgaria/hong-kong-sar-china/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-from-waste-mt-co2e-per-capita/bulgaria/hong-kong-sar-china/">Bulgaria vs Hong Kong: Methane (CH4) emissions from Waste (Mt CO2e), per capita</a> — Statizoid

About this data

Indicator: Methane (CH4) emissions from Waste (Mt CO2e), per capita
Unit: Mt CO2e per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 250 places, 13,750 data points, 1970–2024
Last refreshed: 21 September 2026

Methane (CH4) emissions from Waste (Mt CO2e) divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.