Iran vs Japan: Long run air pollution
Iran
1.74 million
in 2022
Japan
2.07 million
in 2022
Iran rank
12th
Japan rank
9th
Long run air pollution over time
- Iran
- Japan
How they compare
Japan currently reports 2.07 million against 1.74 million in Iran, a difference of 334,090.
That makes Japan's figure about 1.2 times Iran's.
Across all 273 years both countries report, Japan has been ahead every year.
Iran ranks 12th and Japan ranks 9th of 220 countries.
Japan has averaged higher in every one of the 28 decades both report.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1750s | 1,799 | 3,158 | 1,359 | Japan |
| 1760s | 1,836 | 3,189 | 1,353 | Japan |
| 1770s | 1,874 | 3,220 | 1,346 | Japan |
| 1780s | 1,913 | 3,250 | 1,337 | Japan |
| 1790s | 1,952 | 3,281 | 1,328 | Japan |
| 1800s | 2,012 | 3,323 | 1,311 | Japan |
| 1810s | 2,096 | 3,379 | 1,283 | Japan |
| 1820s | 2,217 | 3,432 | 1,215 | Japan |
| 1830s | 2,384 | 3,485 | 1,101 | Japan |
| 1840s | 2,556 | 3,541 | 985.1 | Japan |
| 1850s | 2,723 | 3,567 | 843.14 | Japan |
| 1860s | 2,901 | 3,338 | 437.18 | Japan |
| 1870s | 3,254 | 5,571 | 2,318 | Japan |
| 1880s | 3,788 | 13,061 | 9,273 | Japan |
| 1890s | 4,313 | 35,063 | 30,750 | Japan |
| 1900s | 4,826 | 86,485 | 81,659 | Japan |
| 1910s | 8,733 | 165,912 | 157,178 | Japan |
| 1920s | 16,688 | 228,682 | 211,994 | Japan |
| 1930s | 23,499 | 291,363 | 267,864 | Japan |
| 1940s | 32,268 | 310,572 | 278,305 | Japan |
| 1950s | 63,236 | 602,827 | 539,591 | Japan |
| 1960s | 173,896 | 3.04 million | 2.87 million | Japan |
| 1970s | 394,899 | 6.92 million | 6.52 million | Japan |
| 1980s | 658,872 | 5.63 million | 4.97 million | Japan |
| 1990s | 1.10 million | 4.64 million | 3.54 million | Japan |
| 2000s | 1.44 million | 3.95 million | 2.50 million | Japan |
| 2010s | 1.78 million | 2.53 million | 746,852 | Japan |
| 2020s | 1.68 million | 2.04 million | 366,067 | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher long run air pollution, Iran or Japan?
- Japan, at 2.07 million against 1.74 million in Iran as of 2022.
- What is the difference in long run air pollution between Iran and Japan?
- 334,090, with Japan ahead.
- How many years of comparable data are there for Iran and Japan?
- 273 years are reported by both, from 1750 to 2022.
- How do Iran and Japan rank globally for long run air pollution?
- Iran ranks 12th and Japan ranks 9th of 220 countries.
- Where does this data come from?
- Our World in Data, published as Long run air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.