Nitrogen use efficiency in Samoa
Samoa: Nitrogen use efficiency was 32.3% in 2014. ▼ Falling
Nitrogen use efficiency in Samoa, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
Samoa recorded 32.3% for nitrogen use efficiency in 2014.
That represents a change of down 15.0% on the previous year and up 0.3% over ten years.
Over the whole period, nitrogen use efficiency in Samoa peaked at 59.5% in 1982 and was at its lowest, 10.0%, in 2001.
Samoa ranks 133rd of 204 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 54 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 51.0% | 39.6% | 57.9% | 9 |
| 1970s | 53.6% | 45.0% | 59.3% | 10 |
| 1980s | 45.8% | 36.8% | 59.5% | 10 |
| 1990s | 31.2% | 19.7% | 36.5% | 10 |
| 2000s | 28.8% | 10.0% | 37.6% | 10 |
| 2010s | 37.2% | 32.3% | 39.1% | 5 |
Countries ranked near Samoa
More reference data data for Samoa
- Spring temperature anomalies 0.1251 °C (2026)
- Summer temperature anomalies -0.2407 °C (2026)
- Temperature anomalies by month 0.2414 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies -0.2553 °C (2025)
- Winter temperature anomalies 0.4124 °C (2025)
- Consumer price index 149.24 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is nitrogen use efficiency in Samoa?
- Nitrogen use efficiency in Samoa was 32.3% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Samoa?
- The highest recorded value was 59.5% in 1982.
- What is the lowest nitrogen use efficiency recorded in Samoa?
- The lowest recorded value was 10.0% in 2001.
- How does Samoa rank for nitrogen use efficiency?
- Samoa ranks 133rd out of 204 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Samoa?
- Over the last ten years it is up 0.3%. The long-run trend across the full record is falling.
- Where does this Samoa data come from?
- The figures come from Lassaletta et al. (2014) – processed by Our World in Data, published as part of Nitrogen use efficiency. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 54 observations, free to reuse under CC BY 4.0 (Our World in Data).
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.