Japan vs Romania: Nitrous oxide emissions by sector
Japan
6.73 million tonnes
in 2023
Romania
6.55 million tonnes
in 2023
Japan rank
55th
Romania rank
56th
Nitrous oxide emissions by sector over time
- Japan
- Romania
How they compare
Japan currently reports 6.73 million tonnes against 6.55 million tonnes in Romania, a difference of 180,000 tonnes.
The two have swapped places 5 times across 34 shared years of data; in 1990 it was Romania ahead.
Japan ranks 55th and Romania ranks 56th of 193 countries.
Japan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Japan | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 8.66 million tonnes | 7.39 million tonnes | 1.27 million tonnes | Japan |
| 2000s | 7.71 million tonnes | 5.83 million tonnes | 1.88 million tonnes | Japan |
| 2010s | 6.94 million tonnes | 6.33 million tonnes | 611,000 tonnes | Japan |
| 2020s | 6.79 million tonnes | 6.72 million tonnes | 72,500 tonnes | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher nitrous oxide emissions by sector, Japan or Romania?
- Japan, at 6.73 million tonnes against 6.55 million tonnes in Romania as of 2023.
- What is the difference in nitrous oxide emissions by sector between Japan and Romania?
- 180,000 tonnes, with Japan ahead.
- How many years of comparable data are there for Japan and Romania?
- 34 years are reported by both, from 1990 to 2023.
- How do Japan and Romania rank globally for nitrous oxide emissions by sector?
- Japan ranks 55th and Romania ranks 56th of 193 countries.
- Where does this data come from?
- Climate Watch (2026) – with major processing by Our World in Data, published as Nitrous oxide emissions by sector. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Emissions are measured in tonnes of carbon dioxide-equivalents.