Nitrogen use efficiency in Japan
Japan: Nitrogen use efficiency was 27.9% in 2014. ▼ Falling
Nitrogen use efficiency in Japan, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for nitrogen use efficiency in Japan is 27.9%, measured in 2014.
Compared with earlier readings it is up 28.9% on the previous year and up 34.6% over ten years.
Over the whole period, nitrogen use efficiency in Japan peaked at 37.4% in 1961 and was at its lowest, 17.2%, in 1993.
Japan ranks 145th of 205 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 54 years of available data.
Nitrogen use efficiency in Japan, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 37.4% | — |
| 1962 | 35.6% | -4.7% |
| 1963 | 32.5% | -8.7% |
| 1964 | 32.1% | -1.1% |
| 1965 | 31.7% | -1.4% |
| 1966 | 29.1% | -8.0% |
| 1967 | 30.0% | +2.9% |
| 1968 | 29.9% | -0.3% |
| 1969 | 28.4% | -5.1% |
| 1970 | 26.9% | -5.1% |
| 1971 | 24.4% | -9.5% |
| 1972 | 24.3% | -0.5% |
| 1973 | 22.0% | -9.4% |
| 1974 | 24.1% | +9.7% |
| 1975 | 26.0% | +7.6% |
| 1976 | 22.9% | -11.7% |
| 1977 | 24.3% | +6.1% |
| 1978 | 23.5% | -3.5% |
| 1979 | 22.0% | -6.4% |
| 1980 | 22.2% | +0.9% |
| 1981 | 22.2% | +0.1% |
| 1982 | 22.2% | -0.1% |
| 1983 | 21.2% | -4.2% |
| 1984 | 23.0% | +8.2% |
| 1985 | 22.5% | -2.1% |
| 1986 | 22.2% | -1.2% |
| 1987 | 21.7% | -2.5% |
| 1988 | 21.0% | -3.2% |
| 1989 | 21.2% | +1.1% |
| 1990 | 21.6% | +2.1% |
| 1991 | 20.6% | -4.9% |
| 1992 | 21.6% | +5.0% |
| 1993 | 17.2% | -20.2% |
| 1994 | 22.5% | +30.4% |
| 1995 | 22.4% | -0.6% |
| 1996 | 22.3% | -0.2% |
| 1997 | 22.7% | +1.7% |
| 1998 | 21.7% | -4.5% |
| 1999 | 22.2% | +2.5% |
| 2000 | 22.9% | +3.0% |
| 2001 | 22.7% | -0.7% |
| 2002 | 21.8% | -4.0% |
| 2003 | 20.1% | -7.8% |
| 2004 | 20.7% | +3.0% |
| 2005 | 21.8% | +5.3% |
| 2006 | 21.1% | -3.2% |
| 2007 | 21.8% | +3.2% |
| 2008 | 23.1% | +6.1% |
| 2009 | 22.0% | -4.8% |
| 2010 | 21.1% | -4.0% |
| 2011 | 23.5% | +11.6% |
| 2012 | 24.0% | +2.0% |
| 2013 | 21.6% | -9.9% |
| 2014 | 27.9% | +28.9% |
Japan compared with similar countries
- Japan's 27.9% is below the median for high income countries, which is 36.0%, 77% of the median. (69 countries reporting)
- Japan's 27.9% is below the median for East Asia & Pacific, which is 44.5%, 63% of the median. (32 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 31.9% | 28.4% | 37.4% | 9 |
| 1970s | 24.0% | 22.0% | 26.9% | 10 |
| 1980s | 21.9% | 21.0% | 23.0% | 10 |
| 1990s | 21.5% | 17.2% | 22.7% | 10 |
| 2000s | 21.8% | 20.1% | 23.1% | 10 |
| 2010s | 23.6% | 21.1% | 27.9% | 5 |
Countries ranked near Japan
More reference data data for Japan
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 1.19 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.981 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.49 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.3629 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.49 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 3.98 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 4.16 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.57 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 23.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.98 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Japan?
- Nitrogen use efficiency in Japan was 27.9% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Japan?
- The highest recorded value was 37.4% in 1961.
- What is the lowest nitrogen use efficiency recorded in Japan?
- The lowest recorded value was 17.2% in 1993.
- How does Japan rank for nitrogen use efficiency?
- Japan ranks 145th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Japan?
- Over the last ten years it is up 34.6%. The long-run trend across the full record is falling.
- Where does this Japan 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.