Nitrogen use efficiency in Portugal
Portugal: Nitrogen use efficiency was 19.2% in 2014. ▲ Rising
Nitrogen use efficiency in Portugal, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for nitrogen use efficiency in Portugal is 19.2%, measured in 2014.
Compared with earlier readings it is down 47.7% on the previous year and down 47.9% over ten years.
Over the whole period, nitrogen use efficiency in Portugal peaked at 43.2% in 2006 and was at its lowest, 14.7%, in 1981.
Portugal ranks 165th of 205 countries on this measure, in the bottom quarter.
The long-run direction has been consistently rising across the 54 years of available data.
Nitrogen use efficiency in Portugal, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 33.4% | — |
| 1962 | 42.5% | +27.4% |
| 1963 | 33.5% | -21.2% |
| 1964 | 26.5% | -21.0% |
| 1965 | 31.8% | +20.3% |
| 1966 | 29.6% | -6.8% |
| 1967 | 31.1% | +4.9% |
| 1968 | 32.4% | +4.3% |
| 1969 | 25.0% | -23.0% |
| 1970 | 33.5% | +34.1% |
| 1971 | 33.2% | -0.8% |
| 1972 | 23.6% | -29.0% |
| 1973 | 22.8% | -3.3% |
| 1974 | 23.8% | +4.4% |
| 1975 | 22.2% | -6.8% |
| 1976 | 22.9% | +3.2% |
| 1977 | 14.7% | -35.7% |
| 1978 | 16.7% | +13.5% |
| 1979 | 16.4% | -1.8% |
| 1980 | 18.9% | +14.9% |
| 1981 | 14.7% | -22.2% |
| 1982 | 18.4% | +25.0% |
| 1983 | 17.0% | -7.5% |
| 1984 | 24.2% | +42.1% |
| 1985 | 32.1% | +32.5% |
| 1986 | 33.3% | +4.0% |
| 1987 | 34.8% | +4.4% |
| 1988 | 30.4% | -12.6% |
| 1989 | 34.7% | +14.1% |
| 1990 | 31.6% | -9.1% |
| 1991 | 35.2% | +11.6% |
| 1992 | 31.5% | -10.6% |
| 1993 | 34.5% | +9.6% |
| 1994 | 37.8% | +9.5% |
| 1995 | 35.5% | -6.0% |
| 1996 | 38.3% | +7.9% |
| 1997 | 38.4% | +0.3% |
| 1998 | 36.8% | -4.2% |
| 1999 | 40.3% | +9.6% |
| 2000 | 40.8% | +1.2% |
| 2001 | 39.4% | -3.4% |
| 2002 | 32.1% | -18.5% |
| 2003 | 37.6% | +16.9% |
| 2004 | 36.8% | -2.0% |
| 2005 | 35.6% | -3.3% |
| 2006 | 43.2% | +21.2% |
| 2007 | 36.6% | -15.3% |
| 2008 | 39.2% | +7.3% |
| 2009 | 39.0% | -0.7% |
| 2010 | 37.6% | -3.5% |
| 2011 | 40.1% | +6.6% |
| 2012 | 38.0% | -5.1% |
| 2013 | 36.7% | -3.5% |
| 2014 | 19.2% | -47.7% |
Portugal compared with similar countries
- Portugal's 19.2% is below the median for high income countries, which is 36.0%, 53% of the median. (69 countries reporting)
- Portugal's 19.2% is below the median for Europe & Central Asia, which is 54.4%, 35% of the median. (49 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 31.8% | 25.0% | 42.5% | 9 |
| 1970s | 23.0% | 14.7% | 33.5% | 10 |
| 1980s | 25.9% | 14.7% | 34.8% | 10 |
| 1990s | 36.0% | 31.5% | 40.3% | 10 |
| 2000s | 38.0% | 32.1% | 43.2% | 10 |
| 2010s | 34.3% | 19.2% | 40.1% | 5 |
Countries ranked near Portugal
- 162 Dominican Republic 20.2% compare
- 163 Sri Lanka 20.1% compare
- 164 Bosnia and Herzegovina 19.2% compare
- 166 Luxembourg 18.3% compare
- 167 Venezuela 18.1% compare
- 168 Mauritania 17.4% compare
More reference data data for Portugal
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.5144 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4372 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.51 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0472 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.51 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.72 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.02 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.81 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 6.9 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.2572 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Portugal?
- Nitrogen use efficiency in Portugal was 19.2% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Portugal?
- The highest recorded value was 43.2% in 2006.
- What is the lowest nitrogen use efficiency recorded in Portugal?
- The lowest recorded value was 14.7% in 1981.
- How does Portugal rank for nitrogen use efficiency?
- Portugal ranks 165th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Portugal?
- Over the last ten years it is down 47.9%. The long-run trend across the full record is rising.
- Where does this Portugal 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.