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

35 years are reported by both, from 1990 to 2024.

Where does this data come from?

Joint Research Centre (European Commission) and International Energy Agency (IEA), via World Bank (2026) – processed by Our World in Data, published as Carbon emission intensity vs. GDP per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong vs Niger: Carbon emission intensity vs. GDP per capita

Hong Kong

0.0695

in 2024

Niger

0.0662

in 2024

Hong Kong rank

160th

Niger rank

163rd

Carbon emission intensity vs. GDP per capita over time

Hong Kong
Niger

How they compare

Hong Kong currently reports 0.0695 against 0.0662 in Niger, a difference of 0.0033.

The two have swapped places 2 times across 35 shared years of data; in 1990 it was Hong Kong ahead.

Hong Kong ranks 160th and Niger ranks 163rd of 191 countries.

Hong Kong has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Hong Kong	Niger	Difference	Ahead
1990s	0.1795	0.0498	0.1298	Hong Kong
2000s	0.1366	0.0487	0.0879	Hong Kong
2010s	0.0995	0.0693	0.0301	Hong Kong
2020s	0.0706	0.0693	0.0013	Hong Kong

Averages of every year both report within each decade.

Frequently asked questions

Which has higher carbon emission intensity vs. gdp per capita, Hong Kong or Niger?: Hong Kong, at 0.0695 against 0.0662 in Niger as of 2024.
What is the difference in carbon emission intensity vs. gdp per capita between Hong Kong and Niger?: 0.0033, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Niger?: 35 years are reported by both, from 1990 to 2024.
How do Hong Kong and Niger rank globally for carbon emission intensity vs. gdp per capita?: Hong Kong ranks 160th and Niger ranks 163rd of 191 countries.
Where does this data come from?: Joint Research Centre (European Commission) and International Energy Agency (IEA), via World Bank (2026) – processed by Our World in Data, published as Carbon emission intensity vs. GDP per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Niger: Carbon emission intensity vs. GDP per capita. Statizoid, drawing on Joint Research Centre (European Commission) and International Energy Agency (IEA), via World Bank (2026) – processed by Our World in Data. Retrieved 25 September 2026, from https://climate.statizoid.com/compare/carbon-emission-intensity-vs-gdp-per-capita/hong-kong-sar-china/niger/

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<a href="https://climate.statizoid.com/compare/carbon-emission-intensity-vs-gdp-per-capita/hong-kong-sar-china/niger/">Hong Kong vs Niger: Carbon emission intensity vs. GDP per capita</a> — Statizoid

About this data

Indicator: Carbon emission intensity vs. GDP per capita
Source: Joint Research Centre (European Commission) and International Energy Agency (IEA), via World Bank (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 191 places, 6,583 data points, 1990–2024
Last refreshed: 18 September 2026

Carbon emission intensity is measured in kilograms of CO₂ per dollar of GDP. Emissions from fossil fuels and industry are included, but land-use change emissions are not. GDP per capita is adjusted for inflation and differences in living costs between countries.