Nitrogen use efficiency in Sierra Leone
Sierra Leone: Nitrogen use efficiency was 78.89 in 2014. ▼ Falling
Latest (2014)
78.89
Change on year
up 25.1%
World rank
45th
of 205 countries
All-time high
79.77
in 1964
All-time low
49.58
in 2005
Years of data
54
1961–2014
Nitrogen use efficiency in Sierra Leone, 1961–2014
Source: Our World in Data.
Analysis
The most recent figure for nitrogen use efficiency in Sierra Leone is 78.89, measured in 2014.
The figure is up 25.1% on the previous year and up 51.2% over ten years.
Over the whole period, nitrogen use efficiency in Sierra Leone peaked at 79.77 in 1964 and was at its lowest, 49.58, in 2005.
Sierra Leone ranks 45th of 205 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 54 years of available data.
Nitrogen use efficiency in Sierra Leone, year by year
| Year | Value | Change |
|---|---|---|
| 1961 | 71.31 | — |
| 1962 | 79.47 | +11.4% |
| 1963 | 77.39 | -2.6% |
| 1964 | 79.77 | +3.1% |
| 1965 | 74.1 | -7.1% |
| 1966 | 72.17 | -2.6% |
| 1967 | 67.27 | -6.8% |
| 1968 | 71.33 | +6.0% |
| 1969 | 72.3 | +1.4% |
| 1970 | 67.42 | -6.7% |
| 1971 | 65.95 | -2.2% |
| 1972 | 67.62 | +2.5% |
| 1973 | 66.45 | -1.7% |
| 1974 | 65.92 | -0.8% |
| 1975 | 64.81 | -1.7% |
| 1976 | 65.11 | +0.5% |
| 1977 | 64.54 | -0.9% |
| 1978 | 63.34 | -1.9% |
| 1979 | 58.39 | -7.8% |
| 1980 | 59.27 | +1.5% |
| 1981 | 58.26 | -1.7% |
| 1982 | 62.34 | +7.0% |
| 1983 | 63.43 | +1.7% |
| 1984 | 71.45 | +12.6% |
| 1985 | 61.07 | -14.5% |
| 1986 | 63.64 | +4.2% |
| 1987 | 63.7 | +0.1% |
| 1988 | 61.98 | -2.7% |
| 1989 | 59.74 | -3.6% |
| 1990 | 58.99 | -1.3% |
| 1991 | 61.6 | +4.4% |
| 1992 | 59.24 | -3.8% |
| 1993 | 56.21 | -5.1% |
| 1994 | 56.98 | +1.4% |
| 1995 | 57.95 | +1.7% |
| 1996 | 60.2 | +3.9% |
| 1997 | 60.2 | -0.0% |
| 1998 | 56.83 | -5.6% |
| 1999 | 56.59 | -0.4% |
| 2000 | 59.11 | +4.5% |
| 2001 | 54.57 | -7.7% |
| 2002 | 50.06 | -8.3% |
| 2003 | 54.6 | +9.1% |
| 2004 | 52.16 | -4.5% |
| 2005 | 49.58 | -4.9% |
| 2006 | 51.94 | +4.8% |
| 2007 | 57.4 | +10.5% |
| 2008 | 56.8 | -1.0% |
| 2009 | 62.57 | +10.2% |
| 2010 | 64.05 | +2.4% |
| 2011 | 63.37 | -1.1% |
| 2012 | 59.48 | -6.1% |
| 2013 | 63.05 | +6.0% |
| 2014 | 78.89 | +25.1% |
Sierra Leone compared with similar countries
- Sierra Leone's 78.89 is above the median for low income countries, which is 61.97, 1.3× the median. (24 countries reporting)
- Sierra Leone's 78.89 is above the median for Sub-Saharan Africa, which is 62.24, 1.3× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 73.9 | 67.27 | 79.77 | 9 |
| 1970s | 64.96 | 58.39 | 67.62 | 10 |
| 1980s | 62.49 | 58.26 | 71.45 | 10 |
| 1990s | 58.48 | 56.21 | 61.6 | 10 |
| 2000s | 54.88 | 49.58 | 62.57 | 10 |
| 2010s | 65.77 | 59.48 | 78.89 | 5 |
Countries ranked near Sierra Leone
More reference data data for Sierra Leone
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0238 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4498 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.5935 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.12 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.5935 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0797 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.044 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.91 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 2.72 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.6534 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Sierra Leone?
- Nitrogen use efficiency in Sierra Leone was 78.89 in 2014, according to Our World in Data.
- What is the highest nitrogen use efficiency recorded in Sierra Leone?
- The highest recorded value was 79.77 in 1964.
- What is the lowest nitrogen use efficiency recorded in Sierra Leone?
- The lowest recorded value was 49.58 in 2005.
- How does Sierra Leone rank for nitrogen use efficiency?
- Sierra Leone ranks 45th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Sierra Leone?
- Over the last ten years it is up 51.2%. The long-run trend across the full record is falling.
- Where does this Sierra Leone 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).