Nitrogen use efficiency in South Korea
South Korea: Nitrogen use efficiency was 25.2% in 2014. ▼ Falling
Nitrogen use efficiency in South Korea, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in South Korea stood at 25.2%.
Compared with earlier readings it is up 19.2% on the previous year and up 13.2% over ten years.
Over the whole period, nitrogen use efficiency in South Korea peaked at 45.0% in 1964 and was at its lowest, 17.9%, in 2012.
That places South Korea 152nd out of 205 countries with data for 2014, putting it 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 South Korea, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 35.2% | — |
| 1962 | 34.0% | -3.5% |
| 1963 | 33.7% | -0.8% |
| 1964 | 45.0% | +33.5% |
| 1965 | 41.4% | -7.9% |
| 1966 | 40.7% | -1.9% |
| 1967 | 33.8% | -16.8% |
| 1968 | 34.1% | +0.9% |
| 1969 | 34.1% | -0.2% |
| 1970 | 31.0% | -8.9% |
| 1971 | 31.5% | +1.6% |
| 1972 | 30.1% | -4.7% |
| 1973 | 27.5% | -8.4% |
| 1974 | 26.7% | -3.1% |
| 1975 | 28.4% | +6.3% |
| 1976 | 37.6% | +32.6% |
| 1977 | 33.5% | -11.1% |
| 1978 | 32.4% | -3.1% |
| 1979 | 31.7% | -2.2% |
| 1980 | 24.3% | -23.3% |
| 1981 | 28.4% | +17.1% |
| 1982 | 35.5% | +24.8% |
| 1983 | 33.0% | -7.2% |
| 1984 | 34.3% | +4.1% |
| 1985 | 30.5% | -11.0% |
| 1986 | 29.3% | -3.9% |
| 1987 | 26.5% | -9.6% |
| 1988 | 27.3% | +2.7% |
| 1989 | 24.7% | -9.4% |
| 1990 | 22.9% | -7.3% |
| 1991 | 22.0% | -4.0% |
| 1992 | 20.5% | -6.5% |
| 1993 | 20.0% | -2.5% |
| 1994 | 19.6% | -2.0% |
| 1995 | 19.5% | -0.6% |
| 1996 | 20.9% | +7.0% |
| 1997 | 19.2% | -7.8% |
| 1998 | 20.1% | +4.3% |
| 1999 | 21.3% | +6.1% |
| 2000 | 22.7% | +6.6% |
| 2001 | 24.9% | +9.7% |
| 2002 | 22.7% | -9.0% |
| 2003 | 21.8% | -4.0% |
| 2004 | 22.2% | +2.1% |
| 2005 | 20.5% | -7.7% |
| 2006 | 22.3% | +8.7% |
| 2007 | 19.4% | -13.1% |
| 2008 | 22.7% | +17.1% |
| 2009 | 24.2% | +6.6% |
| 2010 | 21.2% | -12.5% |
| 2011 | 22.4% | +5.7% |
| 2012 | 17.9% | -19.9% |
| 2013 | 21.1% | +17.8% |
| 2014 | 25.2% | +19.2% |
South Korea compared with similar countries
- South Korea's 25.2% is below the median for high income countries, which is 36.0%, 70% of the median. (69 countries reporting)
- South Korea's 25.2% is below the median for East Asia & Pacific, which is 44.5%, 56% of the median. (32 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 36.9% | 33.7% | 45.0% | 9 |
| 1970s | 31.0% | 26.7% | 37.6% | 10 |
| 1980s | 29.4% | 24.3% | 35.5% | 10 |
| 1990s | 20.6% | 19.2% | 22.9% | 10 |
| 2000s | 22.3% | 19.4% | 24.9% | 10 |
| 2010s | 21.6% | 17.9% | 25.2% | 5 |
Countries ranked near South Korea
More reference data data for South Korea
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.9638 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.9281 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 3.55 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.2074 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 3.55 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 3.23 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 4.37 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.17 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 19.85 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.13 (2050)
Frequently asked questions
- What is nitrogen use efficiency in South Korea?
- Nitrogen use efficiency in South Korea was 25.2% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in South Korea?
- The highest recorded value was 45.0% in 1964.
- What is the lowest nitrogen use efficiency recorded in South Korea?
- The lowest recorded value was 17.9% in 2012.
- How does South Korea rank for nitrogen use efficiency?
- South Korea ranks 152nd out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in South Korea?
- Over the last ten years it is up 13.2%. The long-run trend across the full record is falling.
- Where does this South Korea 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.