Nitrogen use efficiency in Iran
Iran: Nitrogen use efficiency was 56.0% in 2014. ▼ Falling
Nitrogen use efficiency in Iran, 1961–2014
Source: Lassaletta et al. (2014) – processed by Our World in Data. Measured in %.
Analysis
In 2014, nitrogen use efficiency in Iran stood at 56.0%.
Compared with earlier readings it is up 5.3% on the previous year and up 48.0% over ten years.
Over the whole period, nitrogen use efficiency in Iran peaked at 71.3% in 1965 and was at its lowest, 28.6%, in 2008.
Iran ranks 88th 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 Iran, year by year
| Year | % | Change |
|---|---|---|
| 1961 | 58.9% | — |
| 1962 | 53.7% | -8.7% |
| 1963 | 57.3% | +6.7% |
| 1964 | 58.2% | +1.5% |
| 1965 | 71.3% | +22.5% |
| 1966 | 70.5% | -1.1% |
| 1967 | 62.0% | -12.1% |
| 1968 | 69.4% | +12.0% |
| 1969 | 65.4% | -5.7% |
| 1970 | 63.0% | -3.6% |
| 1971 | 50.4% | -20.0% |
| 1972 | 56.4% | +11.9% |
| 1973 | 47.6% | -15.7% |
| 1974 | 49.6% | +4.3% |
| 1975 | 51.9% | +4.7% |
| 1976 | 54.8% | +5.6% |
| 1977 | 46.4% | -15.4% |
| 1978 | 51.5% | +10.9% |
| 1979 | 41.0% | -20.3% |
| 1980 | 38.6% | -6.0% |
| 1981 | 35.0% | -9.2% |
| 1982 | 37.2% | +6.3% |
| 1983 | 31.9% | -14.1% |
| 1984 | 37.2% | +16.3% |
| 1985 | 39.3% | +5.7% |
| 1986 | 39.4% | +0.4% |
| 1987 | 39.7% | +0.6% |
| 1988 | 38.7% | -2.5% |
| 1989 | 29.5% | -23.8% |
| 1990 | 40.8% | +38.5% |
| 1991 | 38.2% | -6.4% |
| 1992 | 35.8% | -6.3% |
| 1993 | 45.7% | +27.7% |
| 1994 | 44.8% | -1.8% |
| 1995 | 45.1% | +0.5% |
| 1996 | 42.0% | -6.8% |
| 1997 | 37.3% | -11.2% |
| 1998 | 40.3% | +8.0% |
| 1999 | 35.0% | -13.3% |
| 2000 | 32.4% | -7.4% |
| 2001 | 33.9% | +4.5% |
| 2002 | 41.3% | +21.8% |
| 2003 | 42.4% | +2.7% |
| 2004 | 37.8% | -10.7% |
| 2005 | 40.2% | +6.3% |
| 2006 | 35.6% | -11.4% |
| 2007 | 42.3% | +18.8% |
| 2008 | 28.6% | -32.5% |
| 2009 | 41.5% | +45.4% |
| 2010 | 55.5% | +33.7% |
| 2011 | 50.8% | -8.5% |
| 2012 | 49.2% | -3.1% |
| 2013 | 53.2% | +8.0% |
| 2014 | 56.0% | +5.3% |
Iran compared with similar countries
- Iran's 56.0% is above the median for upper middle income countries, which is 38.2%, 1.5× the median. (57 countries reporting)
- Iran's 56.0% is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 27.8%, 2.0× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 63.0% | 53.7% | 71.3% | 9 |
| 1970s | 51.3% | 41.0% | 63.0% | 10 |
| 1980s | 36.6% | 29.5% | 39.7% | 10 |
| 1990s | 40.5% | 35.0% | 45.7% | 10 |
| 2000s | 37.6% | 28.6% | 42.4% | 10 |
| 2010s | 53.0% | 49.2% | 56.0% | 5 |
Countries ranked near Iran
More reference data data for Iran
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 26.62 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 26.62 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
Frequently asked questions
- What is nitrogen use efficiency in Iran?
- Nitrogen use efficiency in Iran was 56.0% in 2014, according to Lassaletta et al. (2014) – processed by Our World in Data.
- What is the highest nitrogen use efficiency recorded in Iran?
- The highest recorded value was 71.3% in 1965.
- What is the lowest nitrogen use efficiency recorded in Iran?
- The lowest recorded value was 28.6% in 2008.
- How does Iran rank for nitrogen use efficiency?
- Iran ranks 88th out of 205 countries with data for 2014.
- Is nitrogen use efficiency rising or falling in Iran?
- Over the last ten years it is up 48.0%. The long-run trend across the full record is falling.
- Where does this Iran 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.