Tonga vs Zimbabwe: Nitrogen use efficiency
Tonga
37.2%
in 2014
Zimbabwe
38.3%
in 2014
Tonga rank
124th
Zimbabwe rank
121st
Nitrogen use efficiency over time
- Tonga
- Zimbabwe
How they compare
Zimbabwe currently reports 38.3% against 37.2% in Tonga, a difference of 1.1%.
The two have swapped places 7 times across 54 shared years of data; in 1961 it was Tonga ahead.
Tonga ranks 124th and Zimbabwe ranks 121st of 205 countries.
Across the 6 decades both report, Tonga averaged higher in 2 and Zimbabwe in 4.
Head to head by decade
| Decade | Tonga | Zimbabwe | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 102.1% | 54.0% | 48.1% | Tonga |
| 1970s | 78.5% | 52.5% | 26.0% | Tonga |
| 1980s | 35.4% | 52.5% | 17.1% | Zimbabwe |
| 1990s | 28.4% | 48.0% | 19.6% | Zimbabwe |
| 2000s | 25.2% | 46.7% | 21.4% | Zimbabwe |
| 2010s | 20.9% | 36.7% | 15.8% | Zimbabwe |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher nitrogen use efficiency, Tonga or Zimbabwe?
- Zimbabwe, at 38.3% against 37.2% in Tonga as of 2014.
- What is the difference in nitrogen use efficiency between Tonga and Zimbabwe?
- 1.1%, with Zimbabwe ahead.
- How many years of comparable data are there for Tonga and Zimbabwe?
- 54 years are reported by both, from 1961 to 2014.
- How do Tonga and Zimbabwe rank globally for nitrogen use efficiency?
- Tonga ranks 124th and Zimbabwe ranks 121st of 205 countries.
- Where does this data come from?
- Lassaletta et al. (2014) – processed by Our World in Data, published as Nitrogen use efficiency. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Nitrogen use efficiency (NUE) is the ratio between nitrogen inputs and output. A NUE of 40% means that only 40% of nitrogen inputs are converted into nitrogen in the form of crops.