Iran vs Singapore: Year-on-year change in CO₂ emissions
Iran
2.96 million tonnes
in 2024
Singapore
2.85 million tonnes
in 2024
Iran rank
25th
Singapore rank
26th
Year-on-year change in CO₂ emissions over time
- Iran
- Singapore
How they compare
Iran currently reports 2.96 million tonnes against 2.85 million tonnes in Singapore, a difference of 103,490 tonnes.
The two have swapped places 21 times across 74 shared years of data; in 1951 it was Singapore ahead.
Iran ranks 25th and Singapore ranks 26th of 215 countries.
Iran has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Iran | Singapore | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 1.77 million tonnes | -12,768 tonnes | 1.79 million tonnes | Iran |
| 1960s | 5.75 million tonnes | 508,931 tonnes | 5.24 million tonnes | Iran |
| 1970s | 8.01 million tonnes | 2.85 million tonnes | 5.16 million tonnes | Iran |
| 1980s | 2.80 million tonnes | 558,400 tonnes | 2.24 million tonnes | Iran |
| 1990s | 18.33 million tonnes | 819,640 tonnes | 17.51 million tonnes | Iran |
| 2000s | 16.90 million tonnes | -840,022 tonnes | 17.74 million tonnes | Iran |
| 2010s | 18.39 million tonnes | 820,000 tonnes | 17.57 million tonnes | Iran |
| 2020s | 13.07 million tonnes | 983,890 tonnes | 12.09 million tonnes | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher year-on-year change in co₂ emissions, Iran or Singapore?
- Iran, at 2.96 million tonnes against 2.85 million tonnes in Singapore as of 2024.
- What is the difference in year-on-year change in co₂ emissions between Iran and Singapore?
- 103,490 tonnes, with Iran ahead.
- How many years of comparable data are there for Iran and Singapore?
- 74 years are reported by both, from 1951 to 2024.
- How do Iran and Singapore rank globally for year-on-year change in co₂ emissions?
- Iran ranks 25th and Singapore ranks 26th of 215 countries.
- Where does this data come from?
- Global Carbon Budget (2025) – with major processing by Our World in Data, published as Year-on-year change in CO₂ emissions. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual growth in total emissions of carbon dioxide (CO₂), excluding land-use change, measured in tonnes.