Macao vs Singapore: emissions of air pollutants, per square kilometre
Macao
140.4 tonnes per square kilometre
in 2022
Singapore
334.22 tonnes per square kilometre
in 2022
Macao rank
7th
Singapore rank
5th
emissions of air pollutants, per square kilometre over time
- Macao
- Singapore
How they compare
Singapore currently reports 334.22 tonnes per square kilometre against 140.4 tonnes per square kilometre in Macao, a difference of 193.82 tonnes per square kilometre.
That makes Singapore's figure about 2.4 times Macao's.
The two have swapped places 5 times across 62 shared years of data; in 1961 it was Macao ahead.
Macao ranks 7th and Singapore ranks 5th of 207 countries.
Across the 7 decades both report, Macao averaged higher in 5 and Singapore in 2.
Head to head by decade
| Decade | Macao | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 178.3 tonnes per square kilometre | 22.87 tonnes per square kilometre | 155.43 tonnes per square kilometre | Macao |
| 1970s | 188.39 tonnes per square kilometre | 89.65 tonnes per square kilometre | 98.74 tonnes per square kilometre | Macao |
| 1980s | 367.66 tonnes per square kilometre | 141.63 tonnes per square kilometre | 226.03 tonnes per square kilometre | Macao |
| 1990s | 526.32 tonnes per square kilometre | 206.9 tonnes per square kilometre | 319.41 tonnes per square kilometre | Macao |
| 2000s | 419.72 tonnes per square kilometre | 301.81 tonnes per square kilometre | 117.91 tonnes per square kilometre | Macao |
| 2010s | 250.71 tonnes per square kilometre | 364.38 tonnes per square kilometre | 113.67 tonnes per square kilometre | Singapore |
| 2020s | 145.97 tonnes per square kilometre | 331.76 tonnes per square kilometre | 185.79 tonnes per square kilometre | Singapore |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher emissions of air pollutants, per square kilometre, Macao or Singapore?
- Singapore, at 334.22 tonnes per square kilometre against 140.4 tonnes per square kilometre in Macao as of 2022.
- What is the difference in emissions of air pollutants, per square kilometre between Macao and Singapore?
- 193.82 tonnes per square kilometre, with Singapore ahead.
- How many years of comparable data are there for Macao and Singapore?
- 62 years are reported by both, from 1961 to 2022.
- How do Macao and Singapore rank globally for emissions of air pollutants, per square kilometre?
- Macao ranks 7th and Singapore ranks 5th of 207 countries.
- Where does this data come from?
- Statizoid (derived), published as emissions of air pollutants, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
emissions of air pollutants divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.