What is the difference in sulphur dioxide and coal, per unit of gdp between Hong Kong, China and Mali?

0 units per US$ of GDP, with Mali ahead.

How many years of comparable data are there for Hong Kong, China and Mali?

56 years are reported by both, from 1967 to 2022.

Where does this data come from?

Statizoid (derived), published as Sulphur dioxide and coal, per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Hong Kong, China vs Mali: Sulphur dioxide and coal, per unit of GDP

Hong Kong, China

0 units per US$ of GDP

in 2022

Mali

0 units per US$ of GDP

in 2022

Hong Kong, China rank

129th

Mali rank

126th

Sulphur dioxide and coal, per unit of GDP over time

Hong Kong, China
Mali

How they compare

Mali currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Hong Kong, China, a difference of 0 units per US$ of GDP.

That makes Mali's figure about 1.1 times Hong Kong, China's.

The two have swapped places 8 times across 56 shared years of data; in 1967 it was Mali ahead.

Hong Kong, China ranks 129th and Mali ranks 126th of 204 countries.

Across the 7 decades both report, Hong Kong, China averaged higher in 5 and Mali in 2.

Head to head by decade

Decade	Hong Kong, China	Mali	Difference	Ahead
1960s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Mali
1970s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong, China
1980s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong, China
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong, China
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong, China
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Hong Kong, China
2020s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Mali

Averages of every year both report within each decade.

Frequently asked questions

Which has higher sulphur dioxide and coal, per unit of gdp, Hong Kong, China or Mali?: Mali, at 0 units per US$ of GDP against 0 units per US$ of GDP in Hong Kong, China as of 2022.
What is the difference in sulphur dioxide and coal, per unit of gdp between Hong Kong, China and Mali?: 0 units per US$ of GDP, with Mali ahead.
How many years of comparable data are there for Hong Kong, China and Mali?: 56 years are reported by both, from 1967 to 2022.
How do Hong Kong, China and Mali rank globally for sulphur dioxide and coal, per unit of gdp?: Hong Kong, China ranks 129th and Mali ranks 126th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Sulphur dioxide and coal, 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, China vs Mali: Sulphur dioxide and coal, per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 09 September 2026, from https://energy.statizoid.com/compare/sulphur-dioxide-and-coal-per-unit-of-gdp/hong-kong-sar-china/mali/

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<a href="https://energy.statizoid.com/compare/sulphur-dioxide-and-coal-per-unit-of-gdp/hong-kong-sar-china/mali/">Hong Kong, China vs Mali: Sulphur dioxide and coal, per unit of GDP</a> — Statizoid

About this data

Indicator: Sulphur dioxide and coal, per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 204 places, 10,833 data points, 1960–2022
Last refreshed: 20 August 2026

Sulphur dioxide and coal divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.