Peru vs Samoa: Nitrogen use efficiency
Peru
31.5%
in 2014
Samoa
32.3%
in 2014
Peru rank
137th
Samoa rank
134th
Nitrogen use efficiency over time
- Peru
- Samoa
How they compare
Samoa currently reports 32.3% against 31.5% in Peru, a difference of 0.8%.
The two have swapped places 16 times across 54 shared years of data; in 1961 it was Samoa ahead.
Peru ranks 137th and Samoa ranks 134th of 205 countries.
Across the 6 decades both report, Peru averaged higher in 2 and Samoa in 4.
Head to head by decade
| Decade | Peru | Samoa | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 47.6% | 51.0% | 3.5% | Samoa |
| 1970s | 39.5% | 53.6% | 14.1% | Samoa |
| 1980s | 38.4% | 45.8% | 7.4% | Samoa |
| 1990s | 32.6% | 31.2% | 1.3% | Peru |
| 2000s | 32.9% | 28.8% | 4.1% | Peru |
| 2010s | 32.8% | 37.2% | 4.4% | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher nitrogen use efficiency, Peru or Samoa?
- Samoa, at 32.3% against 31.5% in Peru as of 2014.
- What is the difference in nitrogen use efficiency between Peru and Samoa?
- 0.8%, with Samoa ahead.
- How many years of comparable data are there for Peru and Samoa?
- 54 years are reported by both, from 1961 to 2014.
- How do Peru and Samoa rank globally for nitrogen use efficiency?
- Peru ranks 137th and Samoa ranks 134th 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.