Nitrogen use efficiency in Tuvalu
Tuvalu: Nitrogen use efficiency was 66.75 in 2013. ◆ Volatile
Nitrogen use efficiency in Tuvalu, 1961–2013
Source: Our World in Data.
Analysis
Tuvalu recorded 66.75 for nitrogen use efficiency in 2013. That is the highest value across all 53 years on record.
Compared with earlier readings it is up 4.3% on the previous year and up 561.3% over ten years.
Over the whole period, nitrogen use efficiency in Tuvalu peaked at 66.75 in 2013 and was at its lowest, 9.11, in 1999.
That places Tuvalu 58th out of 205 countries with data for 2013, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Nitrogen use efficiency in Tuvalu, year by year
| Year | Value | Change |
|---|---|---|
| 1961 | 35.59 | — |
| 1962 | 35.6 | +0.0% |
| 1963 | 35.61 | +0.0% |
| 1964 | 38.04 | +6.8% |
| 1965 | 38.04 | -0.0% |
| 1966 | 38.04 | -0.0% |
| 1967 | 33.69 | -11.4% |
| 1968 | 31.1 | -7.7% |
| 1969 | 27.65 | -11.1% |
| 1970 | 25.46 | -7.9% |
| 1971 | 34.68 | +36.2% |
| 1972 | 16.38 | -52.8% |
| 1973 | 15.21 | -7.1% |
| 1974 | 40.91 | +168.9% |
| 1975 | 18.23 | -55.4% |
| 1976 | 14.74 | -19.2% |
| 1977 | 20.06 | +36.2% |
| 1978 | 42.59 | +112.3% |
| 1979 | 42.08 | -1.2% |
| 1980 | 38.72 | -8.0% |
| 1981 | 39.57 | +2.2% |
| 1982 | 19.59 | -50.5% |
| 1983 | 21.96 | +12.1% |
| 1984 | 19.73 | -10.2% |
| 1985 | 17.5 | -11.3% |
| 1986 | 16.52 | -5.6% |
| 1987 | 18.05 | +9.3% |
| 1988 | 13.52 | -25.1% |
| 1989 | 11.21 | -17.1% |
| 1990 | 12.3 | +9.7% |
| 1991 | 15.86 | +28.9% |
| 1992 | 11.05 | -30.3% |
| 1993 | 10.43 | -5.6% |
| 1994 | 9.4 | -9.9% |
| 1995 | 10.41 | +10.7% |
| 1996 | 10.18 | -2.2% |
| 1997 | 9.47 | -6.9% |
| 1998 | 9.8 | +3.4% |
| 1999 | 9.11 | -7.0% |
| 2000 | 10.21 | +12.1% |
| 2001 | 9.22 | -9.7% |
| 2002 | 9.88 | +7.1% |
| 2003 | 10.09 | +2.2% |
| 2004 | 9.71 | -3.8% |
| 2005 | 10.09 | +3.9% |
| 2006 | 10.11 | +0.3% |
| 2007 | 9.85 | -2.6% |
| 2008 | 9.74 | -1.1% |
| 2009 | 9.69 | -0.4% |
| 2010 | 62.28 | +542.4% |
| 2011 | 61.94 | -0.5% |
| 2012 | 64.02 | +3.4% |
| 2013 | 66.75 | +4.3% |
Tuvalu compared with similar countries
- Tuvalu's 66.75 is above the median for upper middle income countries, which is 38.22, 1.7× the median. (57 countries reporting)
- Tuvalu's 66.75 is above the median for East Asia & Pacific, which is 44.54, 1.5× the median. (32 countries reporting)
Biggest year-on-year movements
Years where Nitrogen use efficiency in Tuvalu 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 |
|---|---|---|---|
| 2010 | +542.4% | 9.69 | 62.28 |
| 1974 | +168.9% | 15.21 | 40.91 |
| 1978 | +112.3% | 20.06 | 42.59 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 34.82 | 27.65 | 38.04 | 9 |
| 1970s | 27.04 | 14.74 | 42.59 | 10 |
| 1980s | 21.64 | 11.21 | 39.57 | 10 |
| 1990s | 10.8 | 9.11 | 15.86 | 10 |
| 2000s | 9.86 | 9.22 | 10.21 | 10 |
| 2010s | 63.75 | 61.94 | 66.75 | 4 |
Countries ranked near Tuvalu
- 55 Azerbaijan 67.83 compare
- 56 Guadeloupe 67.11 compare
- 57 Niue 66.77 compare
- 59 United Kingdom 66.69 compare
- 60 Estonia 65.35 compare
- 61 Kyrgyzstan 65.22 compare
More reference data data for Tuvalu
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Agricultural 1.47 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure applied to Soils 1.45 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Manure Management 12.65 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0001 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0039 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0016 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - IPCC Agriculture 14.93 (2050)
- Emission Totals - Emissions (CO2eq) from N2O (AR5) - Manure left on 0.0202 (2050)
- Emission Totals - Emissions (CO2eq) (AR5) - Enteric Fermentation 0.8166 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0095 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Tuvalu?
- Nitrogen use efficiency in Tuvalu was 66.75 in 2013, according to Our World in Data.
- What is the highest nitrogen use efficiency recorded in Tuvalu?
- The highest recorded value was 66.75 in 2013.
- What is the lowest nitrogen use efficiency recorded in Tuvalu?
- The lowest recorded value was 9.11 in 1999.
- How does Tuvalu rank for nitrogen use efficiency?
- Tuvalu ranks 58th out of 205 countries with data for 2013.
- Is nitrogen use efficiency rising or falling in Tuvalu?
- Over the last ten years it is up 561.3%. The long-run trend across the full record is volatile.
- Where does this Tuvalu 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 — 53 observations, free to reuse under CC BY 4.0 (Our World in Data).