Nitrogen use efficiency in Namibia
Namibia: Nitrogen use efficiency was 22.0% in 2014. ▲ Rising
Nitrogen use efficiency in Namibia, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
Namibia recorded 22.0% for nitrogen use efficiency in 2014.
That represents a change of up 56.3% on the previous year and up 13.4% over ten years.
Over the whole period, nitrogen use efficiency in Namibia peaked at 24.6% in 1997 and was at its lowest, 7.5%, in 1962.
Namibia ranks 158th 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 Namibia, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 7.8% | — |
| 1962 | 7.5% | -3.8% |
| 1963 | 7.5% | +0.3% |
| 1964 | 7.9% | +5.0% |
| 1965 | 8.3% | +4.7% |
| 1966 | 8.4% | +2.0% |
| 1967 | 8.7% | +2.6% |
| 1968 | 8.8% | +1.9% |
| 1969 | 8.9% | +0.3% |
| 1970 | 8.8% | -0.8% |
| 1971 | 8.9% | +1.1% |
| 1972 | 8.9% | +0.4% |
| 1973 | 9.1% | +1.8% |
| 1974 | 8.6% | -5.3% |
| 1975 | 11.2% | +30.8% |
| 1976 | 11.6% | +3.6% |
| 1977 | 10.6% | -8.9% |
| 1978 | 10.7% | +1.3% |
| 1979 | 10.6% | -1.6% |
| 1980 | 10.3% | -2.4% |
| 1981 | 12.7% | +22.7% |
| 1982 | 14.4% | +13.9% |
| 1983 | 15.7% | +8.6% |
| 1984 | 15.5% | -1.0% |
| 1985 | 13.0% | -16.3% |
| 1986 | 14.2% | +9.4% |
| 1987 | 13.6% | -4.4% |
| 1988 | 14.1% | +3.7% |
| 1989 | 14.9% | +6.0% |
| 1990 | 15.2% | +2.1% |
| 1991 | 15.8% | +3.4% |
| 1992 | 8.0% | -49.2% |
| 1993 | 13.3% | +66.5% |
| 1994 | 16.7% | +25.2% |
| 1995 | 13.2% | -21.2% |
| 1996 | 16.4% | +25.0% |
| 1997 | 24.6% | +49.7% |
| 1998 | 14.4% | -41.5% |
| 1999 | 15.1% | +4.7% |
| 2000 | 17.9% | +18.4% |
| 2001 | 16.9% | -5.6% |
| 2002 | 13.9% | -17.3% |
| 2003 | 14.8% | +6.4% |
| 2004 | 19.4% | +31.0% |
| 2005 | 14.8% | -24.0% |
| 2006 | 20.2% | +36.8% |
| 2007 | 16.3% | -19.5% |
| 2008 | 16.7% | +2.7% |
| 2009 | 15.5% | -7.4% |
| 2010 | 15.6% | +0.6% |
| 2011 | 14.5% | -7.0% |
| 2012 | 16.2% | +11.9% |
| 2013 | 14.1% | -12.9% |
| 2014 | 22.0% | +56.3% |
Namibia compared with similar countries
- Namibia's 22.0% is below the median for lower middle income countries, which is 55.2%, 40% of the median. (45 countries reporting)
- Namibia's 22.0% is below the median for Sub-Saharan Africa, which is 62.2%, 35% of the median. (45 countries reporting)
Biggest year-on-year movements
Years where Nitrogen use efficiency in Namibia changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1993 | +66.5% | 8.0% | 13.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 8.2% | 7.5% | 8.9% | 9 |
| 1970s | 9.9% | 8.6% | 11.6% | 10 |
| 1980s | 13.8% | 10.3% | 15.7% | 10 |
| 1990s | 15.3% | 8.0% | 24.6% | 10 |
| 2000s | 16.6% | 13.9% | 20.2% | 10 |
| 2010s | 16.5% | 14.1% | 22.0% | 5 |
Countries ranked near Namibia
More reference data data for Namibia
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0579 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 1.52 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.62 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0157 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.62 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.194 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.1306 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 6.29 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 6.82 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0853 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Namibia?
- Nitrogen use efficiency in Namibia was 22.0% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Namibia?
- The highest recorded value was 24.6% in 1997.
- What is the lowest nitrogen use efficiency recorded in Namibia?
- The lowest recorded value was 7.5% in 1962.
- How does Namibia rank for nitrogen use efficiency?
- Namibia ranks 158th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Namibia?
- Over the last ten years it is up 13.4%. The long-run trend across the full record is rising.
- Where does this Namibia 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.