Nitrogen use efficiency in Tunisia
Tunisia: Nitrogen use efficiency was 47.6% in 2014. ▼ Falling
Nitrogen use efficiency in Tunisia, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Tunisia stood at 47.6%.
That represents a change of up 30.3% on the previous year and down 9.8% over ten years.
Over the whole period, nitrogen use efficiency in Tunisia peaked at 137.6% in 1963 and was at its lowest, 21.4%, in 1988.
Tunisia ranks 103rd of 205 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.
Nitrogen use efficiency in Tunisia, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 97.0% | — |
| 1962 | 122.5% | +26.2% |
| 1963 | 137.6% | +12.4% |
| 1964 | 109.7% | -20.3% |
| 1965 | 127.9% | +16.6% |
| 1966 | 95.5% | -25.3% |
| 1967 | 90.1% | -5.7% |
| 1968 | 85.7% | -4.9% |
| 1969 | 59.6% | -30.4% |
| 1970 | 65.5% | +9.8% |
| 1971 | 66.7% | +1.8% |
| 1972 | 86.5% | +29.7% |
| 1973 | 72.4% | -16.2% |
| 1974 | 65.4% | -9.7% |
| 1975 | 72.3% | +10.5% |
| 1976 | 59.1% | -18.3% |
| 1977 | 61.6% | +4.3% |
| 1978 | 56.3% | -8.6% |
| 1979 | 51.8% | -8.0% |
| 1980 | 65.9% | +27.2% |
| 1981 | 57.4% | -12.8% |
| 1982 | 49.3% | -14.1% |
| 1983 | 44.3% | -10.1% |
| 1984 | 40.1% | -9.5% |
| 1985 | 63.6% | +58.4% |
| 1986 | 30.6% | -51.9% |
| 1987 | 55.6% | +81.7% |
| 1988 | 21.4% | -61.6% |
| 1989 | 27.4% | +28.2% |
| 1990 | 58.6% | +114.2% |
| 1991 | 70.5% | +20.2% |
| 1992 | 58.6% | -16.9% |
| 1993 | 56.8% | -3.1% |
| 1994 | 28.3% | -50.1% |
| 1995 | 30.1% | +6.2% |
| 1996 | 76.0% | +152.7% |
| 1997 | 36.0% | -52.7% |
| 1998 | 42.8% | +19.0% |
| 1999 | 43.7% | +2.1% |
| 2000 | 30.1% | -31.2% |
| 2001 | 34.4% | +14.6% |
| 2002 | 24.1% | -29.9% |
| 2003 | 57.7% | +138.9% |
| 2004 | 52.8% | -8.5% |
| 2005 | 48.3% | -8.4% |
| 2006 | 41.2% | -14.7% |
| 2007 | 56.7% | +37.5% |
| 2008 | 35.2% | -37.9% |
| 2009 | 47.2% | +34.3% |
| 2010 | 29.4% | -37.8% |
| 2011 | 50.4% | +71.6% |
| 2012 | 44.4% | -11.9% |
| 2013 | 36.5% | -17.8% |
| 2014 | 47.6% | +30.3% |
Tunisia compared with similar countries
- Tunisia's 47.6% is below the median for lower middle income countries, which is 55.2%, 86% of the median. (45 countries reporting)
- Tunisia's 47.6% is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 27.8%, 1.7× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 102.9% | 59.6% | 137.6% | 9 |
| 1970s | 65.8% | 51.8% | 86.5% | 10 |
| 1980s | 45.6% | 21.4% | 65.9% | 10 |
| 1990s | 50.1% | 28.3% | 76.0% | 10 |
| 2000s | 42.8% | 24.1% | 57.7% | 10 |
| 2010s | 41.7% | 29.4% | 50.4% | 5 |
Countries ranked near Tunisia
More reference data data for Tunisia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.148 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 1.86 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 3.38 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1317 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 3.38 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.4961 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.1849 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 8.07 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 14.52 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.7169 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Tunisia?
- Nitrogen use efficiency in Tunisia was 47.6% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Tunisia?
- The highest recorded value was 137.6% in 1963.
- What is the lowest nitrogen use efficiency recorded in Tunisia?
- The lowest recorded value was 21.4% in 1988.
- How does Tunisia rank for nitrogen use efficiency?
- Tunisia ranks 103rd out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Tunisia?
- Over the last ten years it is down 9.8%. The long-run trend across the full record is falling.
- Where does this Tunisia 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.