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

41 years are reported by both, from 1984 to 2024.

Where does this data come from?

Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Laos: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per

Hong Kong

0 Mt CO2e per US$ of GDP

in 2024

Laos

0 Mt CO2e per US$ of GDP

in 2024

Hong Kong rank

181st

Laos rank

178th

Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per over time

Hong Kong
Laos

How they compare

Laos 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.

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

The two have swapped places 3 times across 41 shared years of data; in 1984 it was Hong Kong ahead.

Hong Kong ranks 181st and Laos ranks 178th of 191 countries.

Across the 5 decades both report, Hong Kong averaged higher in 2 and Laos in 3.

Head to head by decade

Decade	Hong Kong	Laos	Difference	Ahead
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Laos
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Laos
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	Laos

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide (co2) emissions from building (energy) (mt co2e), per, Hong Kong or Laos?: Laos, 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 carbon dioxide (co2) emissions from building (energy) (mt co2e), per between Hong Kong and Laos?: 0 Mt CO2e per US$ of GDP, with Laos ahead.
How many years of comparable data are there for Hong Kong and Laos?: 41 years are reported by both, from 1984 to 2024.
How do Hong Kong and Laos rank globally for carbon dioxide (co2) emissions from building (energy) (mt co2e), per?: Hong Kong ranks 181st and Laos ranks 178th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Carbon dioxide (CO2) emissions from Building (Energy) (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 Laos: Carbon dioxide (CO2) emissions from Building (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://environment.statizoid.com/compare/carbon-dioxide-co2-emissions-from-building-energy-mt-co2e-per-unit-of-gdp/hong-kong-sar-china/lao-pdr/

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About this data

Indicator: Carbon dioxide (CO2) emissions from Building (Energy) (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: 238 places, 12,139 data points, 1970–2024
Last refreshed: 21 September 2026

Carbon dioxide (CO2) emissions from Building (Energy) (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.