Nitrogen use efficiency in Guinea-Bissau
Guinea-Bissau: Nitrogen use efficiency was 62.2% in 2014. ▲ Rising
Nitrogen use efficiency in Guinea-Bissau, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Guinea-Bissau stood at 62.2%.
That represents a change of up 11.9% on the previous year and down 6.2% over ten years.
Over the whole period, nitrogen use efficiency in Guinea-Bissau peaked at 77.7% in 2006 and was at its lowest, 44.2%, in 1983.
Guinea-Bissau ranks 65th of 205 countries on this measure, 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 Guinea-Bissau, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 69.1% | — |
| 1962 | 69.9% | +1.2% |
| 1963 | 60.1% | -14.0% |
| 1964 | 53.2% | -11.5% |
| 1965 | 58.7% | +10.5% |
| 1966 | 63.8% | +8.6% |
| 1967 | 71.1% | +11.4% |
| 1968 | 67.1% | -5.5% |
| 1969 | 66.0% | -1.7% |
| 1970 | 58.7% | -11.0% |
| 1971 | 60.2% | +2.5% |
| 1972 | 56.9% | -5.5% |
| 1973 | 50.9% | -10.5% |
| 1974 | 55.4% | +9.0% |
| 1975 | 49.3% | -11.1% |
| 1976 | 48.2% | -2.2% |
| 1977 | 55.7% | +15.6% |
| 1978 | 58.2% | +4.4% |
| 1979 | 57.8% | -0.7% |
| 1980 | 59.9% | +3.6% |
| 1981 | 50.1% | -16.4% |
| 1982 | 49.5% | -1.1% |
| 1983 | 44.2% | -10.7% |
| 1984 | 57.4% | +29.8% |
| 1985 | 64.0% | +11.6% |
| 1986 | 76.9% | +20.1% |
| 1987 | 73.5% | -4.5% |
| 1988 | 76.6% | +4.2% |
| 1989 | 68.2% | -11.0% |
| 1990 | 63.7% | -6.5% |
| 1991 | 65.0% | +2.0% |
| 1992 | 60.9% | -6.3% |
| 1993 | 62.7% | +3.0% |
| 1994 | 62.2% | -0.8% |
| 1995 | 63.5% | +2.1% |
| 1996 | 61.2% | -3.5% |
| 1997 | 60.1% | -1.8% |
| 1998 | 60.5% | +0.6% |
| 1999 | 59.3% | -2.0% |
| 2000 | 55.4% | -6.5% |
| 2001 | 56.3% | +1.7% |
| 2002 | 61.6% | +9.4% |
| 2003 | 61.4% | -0.3% |
| 2004 | 66.3% | +8.0% |
| 2005 | 76.6% | +15.5% |
| 2006 | 77.7% | +1.4% |
| 2007 | 66.3% | -14.7% |
| 2008 | 65.4% | -1.3% |
| 2009 | 64.0% | -2.2% |
| 2010 | 61.4% | -3.9% |
| 2011 | 58.2% | -5.3% |
| 2012 | 57.0% | -2.1% |
| 2013 | 55.6% | -2.4% |
| 2014 | 62.2% | +11.9% |
Guinea-Bissau compared with similar countries
- Guinea-Bissau's 62.2% is above the median for low income countries, which is 62.0%, 1.0× the median. (24 countries reporting)
- Guinea-Bissau's 62.2% is above the median for Sub-Saharan Africa, which is 62.2%, 1.0× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 64.3% | 53.2% | 71.1% | 9 |
| 1970s | 55.1% | 48.2% | 60.2% | 10 |
| 1980s | 62.0% | 44.2% | 76.9% | 10 |
| 1990s | 61.9% | 59.3% | 65.0% | 10 |
| 2000s | 65.1% | 55.4% | 77.7% | 10 |
| 2010s | 58.9% | 55.6% | 62.2% | 5 |
Countries ranked near Guinea-Bissau
More reference data data for Guinea-Bissau
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0583 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.3098 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.395 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0269 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.395 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.1955 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.2346 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.56 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.15 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.1466 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Guinea-Bissau?
- Nitrogen use efficiency in Guinea-Bissau was 62.2% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Guinea-Bissau?
- The highest recorded value was 77.7% in 2006.
- What is the lowest nitrogen use efficiency recorded in Guinea-Bissau?
- The lowest recorded value was 44.2% in 1983.
- How does Guinea-Bissau rank for nitrogen use efficiency?
- Guinea-Bissau ranks 65th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Guinea-Bissau?
- Over the last ten years it is down 6.2%. The long-run trend across the full record is rising.
- Where does this Guinea-Bissau 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.