Hong Kong, China vs Niger: Change co2 annual pct

Hong Kong, China
1.11
in 2024
Niger
1.17
in 2024
Hong Kong, China rank
132nd
Niger rank
129th

Change co2 annual pct over time

  • Hong Kong, China
  • Niger
01.0k2.0k3.0k4.0k193919812024

How they compare

Niger currently reports 1.17 against 1.11 in Hong Kong, China, a difference of 0.06.

The two have swapped places 41 times across 74 shared years of data; in 1951 it was Hong Kong, China ahead.

Hong Kong, China ranks 132nd and Niger ranks 129th of 210 countries.

Across the 8 decades both report, Hong Kong, China averaged higher in 2 and Niger in 6.

Head to head by decade

Decade Hong Kong, China Niger Difference Ahead
1950s 8.49 -1.83 10.32 Hong Kong, China
1960s 11.33 26.43 15.1 Niger
1970s 7.55 10.1 2.55 Niger
1980s 6.69 8.62 1.92 Niger
1990s 4.11 -2.61 6.72 Hong Kong, China
2000s -0.0945 3.79 3.89 Niger
2010s 0.1512 11.62 11.47 Niger
2020s -3.99 5.76 9.75 Niger

Averages of every year both report within each decade.

Frequently asked questions

Which has higher change co2 annual pct, Hong Kong, China or Niger?
Niger, at 1.17 against 1.11 in Hong Kong, China as of 2024.
What is the difference in change co2 annual pct between Hong Kong, China and Niger?
0.06, with Niger ahead.
How many years of comparable data are there for Hong Kong, China and Niger?
74 years are reported by both, from 1951 to 2024.
How do Hong Kong, China and Niger rank globally for change co2 annual pct?
Hong Kong, China ranks 132nd and Niger ranks 129th of 210 countries.
Where does this data come from?
Our World in Data, published as Change co2 annual pct. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong, China vs Niger: Change co2 annual pct. Statizoid, drawing on Our World in Data. Retrieved 19 August 2026, from https://climate.statizoid.com/compare/change-co2-annual-pct/hong-kong-sar-china/niger/

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About this data

Indicator
Change co2 annual pct
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
215 places, 22,456 data points, 1751–2024
Last refreshed