Nitrogen use efficiency in Senegal
Senegal: Nitrogen use efficiency was 41.9% in 2014. ▼ Falling
Nitrogen use efficiency in Senegal, 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 Senegal is 41.9%, measured in 2014.
Compared with earlier readings it is up 7.6% on the previous year and down 9.0% over ten years.
Over the whole period, nitrogen use efficiency in Senegal peaked at 67.0% in 1985 and was at its lowest, 36.2%, in 2002.
That places Senegal 115th out of 205 countries with data for 2014, putting it 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 Senegal, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 56.4% | — |
| 1962 | 56.6% | +0.3% |
| 1963 | 57.0% | +0.8% |
| 1964 | 58.1% | +1.9% |
| 1965 | 57.2% | -1.5% |
| 1966 | 52.6% | -8.2% |
| 1967 | 57.6% | +9.6% |
| 1968 | 53.9% | -6.5% |
| 1969 | 59.9% | +11.1% |
| 1970 | 51.7% | -13.7% |
| 1971 | 56.9% | +10.0% |
| 1972 | 49.2% | -13.5% |
| 1973 | 54.8% | +11.4% |
| 1974 | 60.0% | +9.4% |
| 1975 | 55.3% | -7.8% |
| 1976 | 54.5% | -1.4% |
| 1977 | 47.2% | -13.4% |
| 1978 | 57.6% | +22.2% |
| 1979 | 52.4% | -9.2% |
| 1980 | 53.2% | +1.7% |
| 1981 | 66.6% | +25.1% |
| 1982 | 59.9% | -10.0% |
| 1983 | 49.8% | -16.9% |
| 1984 | 56.0% | +12.5% |
| 1985 | 67.0% | +19.5% |
| 1986 | 56.2% | -16.0% |
| 1987 | 60.2% | +7.0% |
| 1988 | 54.8% | -8.9% |
| 1989 | 59.1% | +7.8% |
| 1990 | 58.4% | -1.3% |
| 1991 | 54.5% | -6.6% |
| 1992 | 51.9% | -4.9% |
| 1993 | 52.9% | +2.1% |
| 1994 | 49.3% | -6.9% |
| 1995 | 58.1% | +18.0% |
| 1996 | 54.0% | -7.1% |
| 1997 | 50.3% | -6.7% |
| 1998 | 47.0% | -6.6% |
| 1999 | 50.0% | +6.4% |
| 2000 | 47.6% | -4.9% |
| 2001 | 47.5% | -0.1% |
| 2002 | 36.2% | -23.8% |
| 2003 | 58.9% | +62.6% |
| 2004 | 46.1% | -21.8% |
| 2005 | 57.1% | +24.0% |
| 2006 | 56.3% | -1.5% |
| 2007 | 48.7% | -13.5% |
| 2008 | 64.7% | +32.8% |
| 2009 | 53.3% | -17.5% |
| 2010 | 48.3% | -9.5% |
| 2011 | 38.6% | -20.1% |
| 2012 | 43.1% | +11.7% |
| 2013 | 38.9% | -9.6% |
| 2014 | 41.9% | +7.6% |
Senegal compared with similar countries
- Senegal's 41.9% is below the median for lower middle income countries, which is 55.2%, 76% of the median. (45 countries reporting)
- Senegal's 41.9% is below the median for Sub-Saharan Africa, which is 62.2%, 67% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 56.6% | 52.6% | 59.9% | 9 |
| 1970s | 53.9% | 47.2% | 60.0% | 10 |
| 1980s | 58.3% | 49.8% | 67.0% | 10 |
| 1990s | 52.6% | 47.0% | 58.4% | 10 |
| 2000s | 51.6% | 36.2% | 64.7% | 10 |
| 2010s | 42.1% | 38.6% | 48.3% | 5 |
Countries ranked near Senegal
More reference data data for Senegal
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.2247 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 3.89 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.55 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.1649 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.55 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.7534 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.5106 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 17.48 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 20.77 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.8979 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Senegal?
- Nitrogen use efficiency in Senegal was 41.9% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Senegal?
- The highest recorded value was 67.0% in 1985.
- What is the lowest nitrogen use efficiency recorded in Senegal?
- The lowest recorded value was 36.2% in 2002.
- How does Senegal rank for nitrogen use efficiency?
- Senegal ranks 115th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Senegal?
- Over the last ten years it is down 9.0%. The long-run trend across the full record is falling.
- Where does this Senegal 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.