Nitrogen use efficiency in Gambia
Gambia: Nitrogen use efficiency was 56.8% in 2014. ▲ Rising
Nitrogen use efficiency in Gambia, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Gambia stood at 56.8%.
The figure is down 11.4% on the previous year and down 17.5% over ten years.
Over the whole period, nitrogen use efficiency in Gambia peaked at 75.2% in 2002 and was at its lowest, 46.6%, in 1979.
That places Gambia 86th out of 205 countries with data for 2014, putting it in the middle of the range.
The long-run direction has been consistently rising across the 54 years of available data.
Nitrogen use efficiency in Gambia, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 66.6% | — |
| 1962 | 67.3% | +1.0% |
| 1963 | 63.6% | -5.6% |
| 1964 | 63.5% | -0.2% |
| 1965 | 63.0% | -0.7% |
| 1966 | 61.4% | -2.6% |
| 1967 | 62.5% | +1.8% |
| 1968 | 61.8% | -1.1% |
| 1969 | 61.4% | -0.7% |
| 1970 | 61.7% | +0.5% |
| 1971 | 60.5% | -2.0% |
| 1972 | 60.0% | -0.7% |
| 1973 | 60.3% | +0.5% |
| 1974 | 55.9% | -7.4% |
| 1975 | 56.2% | +0.6% |
| 1976 | 55.2% | -1.8% |
| 1977 | 53.2% | -3.5% |
| 1978 | 52.7% | -1.1% |
| 1979 | 46.6% | -11.5% |
| 1980 | 55.2% | +18.5% |
| 1981 | 60.5% | +9.6% |
| 1982 | 57.6% | -4.7% |
| 1983 | 53.7% | -6.8% |
| 1984 | 59.5% | +10.7% |
| 1985 | 51.8% | -12.9% |
| 1986 | 49.2% | -5.0% |
| 1987 | 58.4% | +18.5% |
| 1988 | 62.6% | +7.2% |
| 1989 | 61.3% | -2.1% |
| 1990 | 65.2% | +6.3% |
| 1991 | 67.4% | +3.4% |
| 1992 | 70.3% | +4.4% |
| 1993 | 70.4% | +0.2% |
| 1994 | 66.0% | -6.3% |
| 1995 | 64.5% | -2.3% |
| 1996 | 70.2% | +8.9% |
| 1997 | 65.8% | -6.2% |
| 1998 | 51.3% | -22.1% |
| 1999 | 64.4% | +25.5% |
| 2000 | 68.8% | +6.9% |
| 2001 | 71.1% | +3.3% |
| 2002 | 75.2% | +5.7% |
| 2003 | 67.4% | -10.4% |
| 2004 | 68.8% | +2.2% |
| 2005 | 64.8% | -5.8% |
| 2006 | 65.4% | +0.9% |
| 2007 | 58.2% | -11.0% |
| 2008 | 67.5% | +15.9% |
| 2009 | 63.6% | -5.7% |
| 2010 | 64.0% | +0.6% |
| 2011 | 50.6% | -20.9% |
| 2012 | 59.4% | +17.3% |
| 2013 | 64.1% | +8.0% |
| 2014 | 56.8% | -11.4% |
Gambia compared with similar countries
- Gambia's 56.8% is below the median for low income countries, which is 62.0%, 92% of the median. (24 countries reporting)
- Gambia's 56.8% is below the median for Sub-Saharan Africa, which is 62.2%, 91% of the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 63.5% | 61.4% | 67.3% | 9 |
| 1970s | 56.2% | 46.6% | 61.7% | 10 |
| 1980s | 57.0% | 49.2% | 62.6% | 10 |
| 1990s | 65.5% | 51.3% | 70.4% | 10 |
| 2000s | 67.1% | 58.2% | 75.2% | 10 |
| 2010s | 59.0% | 50.6% | 64.1% | 5 |
Countries ranked near Gambia
More reference data data for Gambia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0121 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.2798 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.3524 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0232 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.3524 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0407 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0331 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.36 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 1.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.1264 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Gambia?
- Nitrogen use efficiency in Gambia was 56.8% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Gambia?
- The highest recorded value was 75.2% in 2002.
- What is the lowest nitrogen use efficiency recorded in Gambia?
- The lowest recorded value was 46.6% in 1979.
- How does Gambia rank for nitrogen use efficiency?
- Gambia ranks 86th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Gambia?
- Over the last ten years it is down 17.5%. The long-run trend across the full record is rising.
- Where does this Gambia 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.