Japan vs Singapore: Emissions of air pollutants
Japan
2.07 million tonnes
in 2022
Singapore
4.03 million tonnes
in 2022
Japan rank
9th
Singapore rank
6th
Emissions of air pollutants over time
- Japan
- Singapore
How they compare
Singapore currently reports 4.03 million tonnes against 2.07 million tonnes in Japan, a difference of 1.95 million tonnes.
That makes Singapore's figure about 1.9 times Japan's.
The two have swapped places 1 time across 273 shared years of data; in 1750 it was Japan ahead.
Japan ranks 9th and Singapore ranks 6th of 220 countries.
Across the 28 decades both report, Japan averaged higher in 26 and Singapore in 2.
Head to head by decade
| Decade | Japan | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1750s | 3,158 tonnes | 0.2496 tonnes | 3,158 tonnes | Japan |
| 1760s | 3,189 tonnes | 0.323 tonnes | 3,188 tonnes | Japan |
| 1770s | 3,220 tonnes | 0.418 tonnes | 3,219 tonnes | Japan |
| 1780s | 3,250 tonnes | 0.5409 tonnes | 3,250 tonnes | Japan |
| 1790s | 3,281 tonnes | 0.7 tonnes | 3,280 tonnes | Japan |
| 1800s | 3,323 tonnes | 0.9111 tonnes | 3,322 tonnes | Japan |
| 1810s | 3,379 tonnes | 1.19 tonnes | 3,377 tonnes | Japan |
| 1820s | 3,432 tonnes | 1.56 tonnes | 3,430 tonnes | Japan |
| 1830s | 3,485 tonnes | 2.05 tonnes | 3,483 tonnes | Japan |
| 1840s | 3,541 tonnes | 2.68 tonnes | 3,538 tonnes | Japan |
| 1850s | 3,567 tonnes | 3.83 tonnes | 3,563 tonnes | Japan |
| 1860s | 3,338 tonnes | 6.04 tonnes | 3,332 tonnes | Japan |
| 1870s | 5,571 tonnes | 9.47 tonnes | 5,562 tonnes | Japan |
| 1880s | 13,061 tonnes | 15 tonnes | 13,046 tonnes | Japan |
| 1890s | 35,063 tonnes | 22.72 tonnes | 35,040 tonnes | Japan |
| 1900s | 86,485 tonnes | 30.66 tonnes | 86,454 tonnes | Japan |
| 1910s | 165,912 tonnes | 39.96 tonnes | 165,872 tonnes | Japan |
| 1920s | 228,682 tonnes | 53.4 tonnes | 228,629 tonnes | Japan |
| 1930s | 291,363 tonnes | 67.93 tonnes | 291,295 tonnes | Japan |
| 1940s | 310,572 tonnes | 84.29 tonnes | 310,488 tonnes | Japan |
| 1950s | 602,827 tonnes | 11,794 tonnes | 591,032 tonnes | Japan |
| 1960s | 3.04 million tonnes | 9,143 tonnes | 3.03 million tonnes | Japan |
| 1970s | 6.92 million tonnes | 420,711 tonnes | 6.49 million tonnes | Japan |
| 1980s | 5.63 million tonnes | 740,971 tonnes | 4.89 million tonnes | Japan |
| 1990s | 4.64 million tonnes | 1.51 million tonnes | 3.14 million tonnes | Japan |
| 2000s | 3.95 million tonnes | 2.54 million tonnes | 1.40 million tonnes | Japan |
| 2010s | 2.53 million tonnes | 3.70 million tonnes | 1.17 million tonnes | Singapore |
| 2020s | 2.04 million tonnes | 3.90 million tonnes | 1.86 million tonnes | Singapore |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher emissions of air pollutants, Japan or Singapore?
- Singapore, at 4.03 million tonnes against 2.07 million tonnes in Japan as of 2022.
- What is the difference in emissions of air pollutants between Japan and Singapore?
- 1.95 million tonnes, with Singapore ahead.
- How many years of comparable data are there for Japan and Singapore?
- 273 years are reported by both, from 1750 to 2022.
- How do Japan and Singapore rank globally for emissions of air pollutants?
- Japan ranks 9th and Singapore ranks 6th of 220 countries.
- Where does this data come from?
- Hoesly et al. (2024) - Community Emissions Data System (CEDS) – with major processing by Our World in Data, published as Emissions of air pollutants. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Nitrogen oxides (NOₓ) are gases that are mainly formed during the burning of fossil fuels. Exposure to NOₓ gases can have negative impacts on respiratory health. NOₓ gases can also lead to the formation of ozone – another air pollutant.