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

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 Puerto Rico: Methane (CH4) emissions (total) excluding LULUCF (Mt CO2e), per unit

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Puerto Rico

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong rank

182nd

Puerto Rico rank

180th

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

Hong Kong
Puerto Rico

How they compare

Puerto Rico 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 3 times across 55 shared years of data; in 1970 it was Hong Kong ahead.

Hong Kong ranks 182nd and Puerto Rico ranks 180th of 200 countries.

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

Head to head by decade

Decade	Hong Kong	Puerto Rico	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	Puerto Rico
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Puerto Rico
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Puerto Rico
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Puerto Rico
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Puerto Rico

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 Puerto Rico?: Puerto Rico, 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 Puerto Rico?: 0 Mt CO2e per US$ of GDP, with Puerto Rico ahead.
How many years of comparable data are there for Hong Kong and Puerto Rico?: 55 years are reported by both, from 1970 to 2024.
How do Hong Kong and Puerto Rico rank globally for methane (ch4) emissions (total) excluding lulucf (mt co2e), per unit?: Hong Kong ranks 182nd and Puerto Rico ranks 180th 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.

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Hong Kong vs Puerto Rico: 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/puerto-rico-us/

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<a href="https://environment.statizoid.com/compare/methane-ch4-emissions-total-excluding-lulucf-mt-co2e-per-unit-of-gdp/hong-kong-sar-china/puerto-rico-us/">Hong Kong vs Puerto Rico: 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.