Iran vs Singapore: Per capita greenhouse gas emissions, excluding land use and forestry
Iran
10.43 tonnes of CO₂ equivalents per person
in 2024
Singapore
10.47 tonnes of CO₂ equivalents per person
in 2024
Iran rank
23rd
Singapore rank
21st
Per capita greenhouse gas emissions, excluding land use and forestry over time
- Iran
- Singapore
How they compare
Singapore currently reports 10.47 tonnes of CO₂ equivalents per person against 10.43 tonnes of CO₂ equivalents per person in Iran, a difference of 0.04 tonnes of CO₂ equivalents per person.
The two have swapped places 10 times across 175 shared years of data; in 1850 it was Singapore ahead.
Iran ranks 23rd and Singapore ranks 21st of 198 countries.
Across the 18 decades both report, Iran averaged higher in 7 and Singapore in 11.
Head to head by decade
| Decade | Iran | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1850s | 0.3001 tonnes of CO₂ equivalents per person | 0.5251 tonnes of CO₂ equivalents per person | 0.2251 tonnes of CO₂ equivalents per person | Singapore |
| 1860s | 0.295 tonnes of CO₂ equivalents per person | 0.4983 tonnes of CO₂ equivalents per person | 0.2033 tonnes of CO₂ equivalents per person | Singapore |
| 1870s | 0.3063 tonnes of CO₂ equivalents per person | 0.4582 tonnes of CO₂ equivalents per person | 0.1519 tonnes of CO₂ equivalents per person | Singapore |
| 1880s | 0.3354 tonnes of CO₂ equivalents per person | 0.4021 tonnes of CO₂ equivalents per person | 0.0667 tonnes of CO₂ equivalents per person | Singapore |
| 1890s | 0.3448 tonnes of CO₂ equivalents per person | 0.3476 tonnes of CO₂ equivalents per person | 0.0028 tonnes of CO₂ equivalents per person | Singapore |
| 1900s | 0.3191 tonnes of CO₂ equivalents per person | 0.2922 tonnes of CO₂ equivalents per person | 0.0269 tonnes of CO₂ equivalents per person | Iran |
| 1910s | 0.5253 tonnes of CO₂ equivalents per person | 0.2593 tonnes of CO₂ equivalents per person | 0.266 tonnes of CO₂ equivalents per person | Iran |
| 1920s | 1.57 tonnes of CO₂ equivalents per person | 0.2451 tonnes of CO₂ equivalents per person | 1.33 tonnes of CO₂ equivalents per person | Iran |
| 1930s | 2.12 tonnes of CO₂ equivalents per person | 0.4006 tonnes of CO₂ equivalents per person | 1.72 tonnes of CO₂ equivalents per person | Iran |
| 1940s | 3.01 tonnes of CO₂ equivalents per person | 0.7558 tonnes of CO₂ equivalents per person | 2.25 tonnes of CO₂ equivalents per person | Iran |
| 1950s | 1.55 tonnes of CO₂ equivalents per person | 3.51 tonnes of CO₂ equivalents per person | 1.96 tonnes of CO₂ equivalents per person | Singapore |
| 1960s | 4.83 tonnes of CO₂ equivalents per person | 3.32 tonnes of CO₂ equivalents per person | 1.51 tonnes of CO₂ equivalents per person | Iran |
| 1970s | 8.01 tonnes of CO₂ equivalents per person | 12.59 tonnes of CO₂ equivalents per person | 4.59 tonnes of CO₂ equivalents per person | Singapore |
| 1980s | 4.33 tonnes of CO₂ equivalents per person | 13.67 tonnes of CO₂ equivalents per person | 9.34 tonnes of CO₂ equivalents per person | Singapore |
| 1990s | 6.04 tonnes of CO₂ equivalents per person | 15.74 tonnes of CO₂ equivalents per person | 9.7 tonnes of CO₂ equivalents per person | Singapore |
| 2000s | 8.12 tonnes of CO₂ equivalents per person | 10.41 tonnes of CO₂ equivalents per person | 2.3 tonnes of CO₂ equivalents per person | Singapore |
| 2010s | 9.45 tonnes of CO₂ equivalents per person | 9.86 tonnes of CO₂ equivalents per person | 0.4079 tonnes of CO₂ equivalents per person | Singapore |
| 2020s | 10.28 tonnes of CO₂ equivalents per person | 9.99 tonnes of CO₂ equivalents per person | 0.2881 tonnes of CO₂ equivalents per person | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher per capita greenhouse gas emissions, excluding land use and forestry, Iran or Singapore?
- Singapore, at 10.47 tonnes of CO₂ equivalents per person against 10.43 tonnes of CO₂ equivalents per person in Iran as of 2024.
- What is the difference in per capita greenhouse gas emissions, excluding land use and forestry between Iran and Singapore?
- 0.04 tonnes of CO₂ equivalents per person, with Singapore ahead.
- How many years of comparable data are there for Iran and Singapore?
- 175 years are reported by both, from 1850 to 2024.
- How do Iran and Singapore rank globally for per capita greenhouse gas emissions, excluding land use and forestry?
- Iran ranks 23rd and Singapore ranks 21st of 198 countries.
- Where does this data come from?
- Jones et al. (2025); Population based on various sources (2024) – with major processing by Our World in Data, published as Per capita greenhouse gas emissions, excluding land use and forestry. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Greenhouse gas emissions are measured in tonnes per person of carbon dioxide-equivalents over a 100-year timescale.