Nitrogen use efficiency in Sao Tome and Principe
Sao Tome and Principe: Nitrogen use efficiency was 178.63 in 2014. ▼ Falling
Nitrogen use efficiency in Sao Tome and Principe, 1961–2014
Source: Our World in Data.
Analysis
Sao Tome and Principe recorded 178.63 for nitrogen use efficiency in 2014. That is the highest value across all 54 years on record.
The figure is up 79.0% on the previous year and up 67.0% over ten years.
Over the whole period, nitrogen use efficiency in Sao Tome and Principe peaked at 178.63 in 2014 and was at its lowest, 69.36, in 1990.
That places Sao Tome and Principe 4th out of 205 countries with data for 2014, putting it in the top 10%.
The long-run direction has been consistently falling across the 54 years of available data.
Nitrogen use efficiency in Sao Tome and Principe, year by year
| Year | Value | Change |
|---|---|---|
| 1961 | 160.17 | — |
| 1962 | 164.19 | +2.5% |
| 1963 | 141.26 | -14.0% |
| 1964 | 157.88 | +11.8% |
| 1965 | 155.71 | -1.4% |
| 1966 | 144.84 | -7.0% |
| 1967 | 142.75 | -1.4% |
| 1968 | 128.08 | -10.3% |
| 1969 | 126.33 | -1.4% |
| 1970 | 120.63 | -4.5% |
| 1971 | 114.65 | -5.0% |
| 1972 | 113.07 | -1.4% |
| 1973 | 118.33 | +4.7% |
| 1974 | 122.52 | +3.5% |
| 1975 | 87.42 | -28.6% |
| 1976 | 79.82 | -8.7% |
| 1977 | 89.76 | +12.4% |
| 1978 | 84.85 | -5.5% |
| 1979 | 93.41 | +10.1% |
| 1980 | 74.18 | -20.6% |
| 1981 | 74.38 | +0.3% |
| 1982 | 76.64 | +3.0% |
| 1983 | 82.82 | +8.1% |
| 1984 | 74.03 | -10.6% |
| 1985 | 74.77 | +1.0% |
| 1986 | 73.97 | -1.1% |
| 1987 | 72.93 | -1.4% |
| 1988 | 73.31 | +0.5% |
| 1989 | 69.89 | -4.7% |
| 1990 | 69.36 | -0.8% |
| 1991 | 81.24 | +17.1% |
| 1992 | 90.4 | +11.3% |
| 1993 | 92.95 | +2.8% |
| 1994 | 86.92 | -6.5% |
| 1995 | 85.38 | -1.8% |
| 1996 | 101.61 | +19.0% |
| 1997 | 105.94 | +4.3% |
| 1998 | 87.76 | -17.2% |
| 1999 | 87.93 | +0.2% |
| 2000 | 105.44 | +19.9% |
| 2001 | 109.4 | +3.8% |
| 2002 | 108.47 | -0.8% |
| 2003 | 100.45 | -7.4% |
| 2004 | 107 | +6.5% |
| 2005 | 113.59 | +6.2% |
| 2006 | 116.33 | +2.4% |
| 2007 | 105.79 | -9.1% |
| 2008 | 109.39 | +3.4% |
| 2009 | 100.18 | -8.4% |
| 2010 | 103.21 | +3.0% |
| 2011 | 101.91 | -1.3% |
| 2012 | 104.64 | +2.7% |
| 2013 | 99.81 | -4.6% |
| 2014 | 178.63 | +79.0% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 178.63 is above the median for lower middle income countries, which is 55.16, 3.2× the median. (45 countries reporting)
- Sao Tome and Principe's 178.63 is above the median for Sub-Saharan Africa, which is 62.24, 2.9× the median. (45 countries reporting)
Biggest year-on-year movements
Years where Nitrogen use efficiency in Sao Tome and Principe 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 |
|---|---|---|---|
| 2014 | +79.0% | 99.81 | 178.63 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 146.8 | 126.33 | 164.19 | 9 |
| 1970s | 102.45 | 79.82 | 122.52 | 10 |
| 1980s | 74.69 | 69.89 | 82.82 | 10 |
| 1990s | 88.95 | 69.36 | 105.94 | 10 |
| 2000s | 107.6 | 100.18 | 116.33 | 10 |
| 2010s | 117.64 | 99.81 | 178.63 | 5 |
Countries ranked near Sao Tome and Principe
- 1 Solomon Islands 649.03 compare
- 2 Equatorial Guinea 506.18 compare
- 3 Malaysia 262.09 compare
- 5 Kazakhstan 175.75 compare
- 6 Syria 175.21 compare
- 7 Benin 170.97 compare
More reference data data for Sao Tome and Principe
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0038 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.006 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0003 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.01 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0126 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.014 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0319 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0601 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0015 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Sao Tome and Principe?
- Nitrogen use efficiency in Sao Tome and Principe was 178.63 in 2014, according to Our World in Data.
- What is the highest nitrogen use efficiency recorded in Sao Tome and Principe?
- The highest recorded value was 178.63 in 2014.
- What is the lowest nitrogen use efficiency recorded in Sao Tome and Principe?
- The lowest recorded value was 69.36 in 1990.
- How does Sao Tome and Principe rank for nitrogen use efficiency?
- Sao Tome and Principe ranks 4th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 67.0%. The long-run trend across the full record is falling.
- Where does this Sao Tome and Principe data come from?
- The figures come from 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).