Nitrogen use efficiency in Guam
Guam: Nitrogen use efficiency was 93.49 in 2014. ▲ Rising
Nitrogen use efficiency in Guam, 1961–2014
Source: Our World in Data.
Analysis
In 2014, nitrogen use efficiency in Guam stood at 93.49.
Compared with earlier readings it is down 16.9% on the previous year and down 50.3% over ten years.
Over the whole period, nitrogen use efficiency in Guam peaked at 198.27 in 1996 and was at its lowest, 52.29, in 1963.
Guam ranks 33rd of 205 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 54 years of available data.
Nitrogen use efficiency in Guam, year by year
| Year | Value | Change |
|---|---|---|
| 1961 | 52.61 | — |
| 1962 | 70.18 | +33.4% |
| 1963 | 52.29 | -25.5% |
| 1964 | 83.26 | +59.2% |
| 1965 | 77.44 | -7.0% |
| 1966 | 84.92 | +9.7% |
| 1967 | 72.33 | -14.8% |
| 1968 | 77.35 | +6.9% |
| 1969 | 83.4 | +7.8% |
| 1970 | 55.04 | -34.0% |
| 1971 | 71.91 | +30.7% |
| 1972 | 71.28 | -0.9% |
| 1973 | 70.35 | -1.3% |
| 1974 | 62.54 | -11.1% |
| 1975 | 61.16 | -2.2% |
| 1976 | 86.37 | +41.2% |
| 1977 | 82.35 | -4.7% |
| 1978 | 73.47 | -10.8% |
| 1979 | 72.05 | -1.9% |
| 1980 | 65.46 | -9.2% |
| 1981 | 65.13 | -0.5% |
| 1982 | 66.63 | +2.3% |
| 1983 | 71.01 | +6.6% |
| 1984 | 70.18 | -1.2% |
| 1985 | 71.91 | +2.5% |
| 1986 | 69.95 | -2.7% |
| 1987 | 75.5 | +7.9% |
| 1988 | 59.21 | -21.6% |
| 1989 | 141.09 | +138.3% |
| 1990 | 162.73 | +15.3% |
| 1991 | 184.34 | +13.3% |
| 1992 | 175.2 | -5.0% |
| 1993 | 162.14 | -7.5% |
| 1994 | 174.05 | +7.3% |
| 1995 | 185.28 | +6.5% |
| 1996 | 198.27 | +7.0% |
| 1997 | 195.23 | -1.5% |
| 1998 | 195.52 | +0.2% |
| 1999 | 191.13 | -2.2% |
| 2000 | 187.02 | -2.2% |
| 2001 | 183.67 | -1.8% |
| 2002 | 184.28 | +0.3% |
| 2003 | 185.87 | +0.9% |
| 2004 | 188.04 | +1.2% |
| 2005 | 188.85 | +0.4% |
| 2006 | 190.02 | +0.6% |
| 2007 | 189.21 | -0.4% |
| 2008 | 189.57 | +0.2% |
| 2009 | 166.19 | -12.3% |
| 2010 | 175.34 | +5.5% |
| 2011 | 174.96 | -0.2% |
| 2012 | 115.56 | -34.0% |
| 2013 | 112.5 | -2.6% |
| 2014 | 93.49 | -16.9% |
Biggest year-on-year movements
Years where Nitrogen use efficiency in Guam 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 |
|---|---|---|---|
| 1989 | +138.3% | 59.21 | 141.09 |
| 1964 | +59.2% | 52.29 | 83.26 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 72.64 | 52.29 | 84.92 | 9 |
| 1970s | 70.65 | 55.04 | 86.37 | 10 |
| 1980s | 75.61 | 59.21 | 141.09 | 10 |
| 1990s | 182.39 | 162.14 | 198.27 | 10 |
| 2000s | 185.27 | 166.19 | 190.02 | 10 |
| 2010s | 134.37 | 93.49 | 175.34 | 5 |
Countries ranked near Guam
- 30 Burkina Faso 95.93 compare
- 31 Martinique 94.65 compare
- 32 Saint Vincent and the Grenadines 94.38 compare
- 34 Hungary 92.95 compare
- 35 Chad 87.59 compare
- 36 Ireland 86.9 compare
More reference data data for Guam
- Emission Totals - Emissions (CH4) - IPCC Agriculture 0 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - IPCC Agriculture 0.004 (2050)
- Emission Totals - Direct emissions (N2O) - Crop Residues 0 (2050)
- Emission Totals - Direct emissions (N2O) - IPCC Agriculture 0 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Crop Residues 0.0037 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Agricultural 0.0037 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Burning - Crop 0.0003 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Agricultural Soils 0.0037 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 0.0052 (2050)
- Emission Totals - Emissions (CO2eq) from CH4 (AR5) - IPCC Agriculture 0.0012 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Guam?
- Nitrogen use efficiency in Guam was 93.49 in 2014, according to Our World in Data.
- What is the highest nitrogen use efficiency recorded in Guam?
- The highest recorded value was 198.27 in 1996.
- What is the lowest nitrogen use efficiency recorded in Guam?
- The lowest recorded value was 52.29 in 1963.
- How does Guam rank for nitrogen use efficiency?
- Guam ranks 33rd out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Guam?
- Over the last ten years it is down 50.3%. The long-run trend across the full record is rising.
- Where does this Guam 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.
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