China, Hong Kong Special Administrative Region vs Yemen: Carbon dioxide emissions per unit of GDP PPP (kilogrammes of CO2)

China, Hong Kong Special Administrative Region
0.0641
in 2023
Yemen
0.2348
in 2023
China, Hong Kong Special Administrative Region rank
35th
Yemen rank
32nd

Carbon dioxide emissions per unit of GDP PPP (kilogrammes of CO2) over time

  • China, Hong Kong Special Administrative Region
  • Yemen
0.050.10.150.20.25200020112023

How they compare

Yemen currently reports 0.2348 against 0.0641 in China, Hong Kong Special Administrative Region, a difference of 0.1707.

That makes Yemen's figure about 3.7 times China, Hong Kong Special Administrative Region's.

Across all 24 years both countries report, Yemen has been ahead every year.

China, Hong Kong Special Administrative Region ranks 35th and Yemen ranks 32nd of 36 groups.

Yemen has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade China, Hong Kong Special Administrative Region Yemen Difference Ahead
2000s 0.1337 0.1966 0.063 Yemen
2010s 0.0974 0.1967 0.0993 Yemen
2020s 0.0679 0.2376 0.1697 Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon dioxide emissions per unit of gdp ppp, China, Hong Kong Special Administrative Region or Yemen?
Yemen, at 0.2348 against 0.0641 in China, Hong Kong Special Administrative Region as of 2023.
What is the difference in carbon dioxide emissions per unit of gdp ppp between China, Hong Kong Special Administrative Region and Yemen?
0.1707, with Yemen ahead.
How many years of comparable data are there for China, Hong Kong Special Administrative Region and Yemen?
24 years are reported by both, from 2000 to 2023.
How do China, Hong Kong Special Administrative Region and Yemen rank globally for carbon dioxide emissions per unit of gdp ppp?
China, Hong Kong Special Administrative Region ranks 35th and Yemen ranks 32nd of 36 groups.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Carbon dioxide emissions per unit of GDP PPP (kilogrammes of CO2 per constant 2021 United States dollars). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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China, Hong Kong Special Administrative Region vs Yemen: Carbon dioxide emissions per unit of GDP PPP. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 07 November 2026, from https://climate.statizoid.com/compare/carbon-dioxide-emissions-per-unit-of-gdp-ppp-kilogrammes-of-co2-per-constant-2021-united/china-hong-kong-special-administrative-region/yemen-rep/

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About this data

Indicator
Carbon dioxide emissions per unit of GDP PPP (kilogrammes of CO2 per constant 2021 United States dollars)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
196 places, 4,687 data points, 2000–2023
Last refreshed