Nitrogen use efficiency in Portugal
Portugal: Nitrogen use efficiency was 19.2 in 2014. ▲ Rising
Latest (2014)
19.2
Change on year
down 47.7%
World rank
165th
of 205 countries
All-time high
43.15
in 2006
All-time low
14.71
in 1981
Years of data
54
1961–2014
Nitrogen use efficiency in Portugal, 1961–2014
Source: Our World in Data.
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 43.15 in 2006 and was at its lowest, 14.71, 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 | Value | Change |
|---|---|---|
| 1961 | 33.39 | — |
| 1962 | 42.52 | +27.4% |
| 1963 | 33.5 | -21.2% |
| 1964 | 26.46 | -21.0% |
| 1965 | 31.82 | +20.3% |
| 1966 | 29.65 | -6.8% |
| 1967 | 31.09 | +4.9% |
| 1968 | 32.42 | +4.3% |
| 1969 | 24.98 | -23.0% |
| 1970 | 33.48 | +34.1% |
| 1971 | 33.22 | -0.8% |
| 1972 | 23.58 | -29.0% |
| 1973 | 22.8 | -3.3% |
| 1974 | 23.81 | +4.4% |
| 1975 | 22.2 | -6.8% |
| 1976 | 22.92 | +3.2% |
| 1977 | 14.75 | -35.7% |
| 1978 | 16.74 | +13.5% |
| 1979 | 16.45 | -1.8% |
| 1980 | 18.9 | +14.9% |
| 1981 | 14.71 | -22.2% |
| 1982 | 18.39 | +25.0% |
| 1983 | 17.02 | -7.5% |
| 1984 | 24.19 | +42.1% |
| 1985 | 32.06 | +32.5% |
| 1986 | 33.34 | +4.0% |
| 1987 | 34.8 | +4.4% |
| 1988 | 30.42 | -12.6% |
| 1989 | 34.71 | +14.1% |
| 1990 | 31.57 | -9.1% |
| 1991 | 35.22 | +11.6% |
| 1992 | 31.49 | -10.6% |
| 1993 | 34.51 | +9.6% |
| 1994 | 37.79 | +9.5% |
| 1995 | 35.52 | -6.0% |
| 1996 | 38.31 | +7.9% |
| 1997 | 38.43 | +0.3% |
| 1998 | 36.81 | -4.2% |
| 1999 | 40.34 | +9.6% |
| 2000 | 40.84 | +1.2% |
| 2001 | 39.44 | -3.4% |
| 2002 | 32.13 | -18.5% |
| 2003 | 37.57 | +16.9% |
| 2004 | 36.83 | -2.0% |
| 2005 | 35.61 | -3.3% |
| 2006 | 43.15 | +21.2% |
| 2007 | 36.56 | -15.3% |
| 2008 | 39.23 | +7.3% |
| 2009 | 38.95 | -0.7% |
| 2010 | 37.59 | -3.5% |
| 2011 | 40.08 | +6.6% |
| 2012 | 38.02 | -5.1% |
| 2013 | 36.71 | -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 35.97, 53% of the median. (69 countries reporting)
- Portugal's 19.2 is below the median for Europe & Central Asia, which is 54.39, 35% of the median. (49 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 31.76 | 24.98 | 42.52 | 9 |
| 1970s | 22.99 | 14.75 | 33.48 | 10 |
| 1980s | 25.85 | 14.71 | 34.8 | 10 |
| 1990s | 36 | 31.49 | 40.34 | 10 |
| 2000s | 38.03 | 32.13 | 43.15 | 10 |
| 2010s | 34.32 | 19.2 | 40.08 | 5 |
Countries ranked near Portugal
- 162 Dominican Republic 20.15 compare
- 163 Sri Lanka 20.11 compare
- 164 Bosnia and Herzegovina 19.21 compare
- 166 Luxembourg 18.29 compare
- 167 Venezuela 18.1 compare
- 168 Mauritania 17.37 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 Our World in Data.
- What is the highest nitrogen use efficiency recorded in Portugal?
- The highest recorded value was 43.15 in 2006.
- What is the lowest nitrogen use efficiency recorded in Portugal?
- The lowest recorded value was 14.71 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 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).