Iraq vs Sierra Leone: Nitrogen use efficiency

Iraq
81.4%
in 2014
Sierra Leone
78.9%
in 2014
Iraq rank
42nd
Sierra Leone rank
45th

Nitrogen use efficiency over time

  • Iraq
  • Sierra Leone
050100150196119872014

How they compare

Iraq currently reports 81.4% against 78.9% in Sierra Leone, a difference of 2.5%.

The two have swapped places 6 times across 54 shared years of data; in 1961 it was Iraq ahead.

Iraq ranks 42nd and Sierra Leone ranks 45th of 205 countries.

Across the 6 decades both report, Iraq averaged higher in 2 and Sierra Leone in 4.

Head to head by decade

Decade Iraq Sierra Leone Difference Ahead
1960s 120.3% 73.9% 46.4% Iraq
1970s 75.1% 65.0% 10.1% Iraq
1980s 34.6% 62.5% 27.8% Sierra Leone
1990s 28.8% 58.5% 29.6% Sierra Leone
2000s 36.1% 54.9% 18.8% Sierra Leone
2010s 59.9% 65.8% 5.9% Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrogen use efficiency, Iraq or Sierra Leone?
Iraq, at 81.4% against 78.9% in Sierra Leone as of 2014.
What is the difference in nitrogen use efficiency between Iraq and Sierra Leone?
2.5%, with Iraq ahead.
How many years of comparable data are there for Iraq and Sierra Leone?
54 years are reported by both, from 1961 to 2014.
How do Iraq and Sierra Leone rank globally for nitrogen use efficiency?
Iraq ranks 42nd and Sierra Leone ranks 45th of 205 countries.
Where does this data come from?
Lassaletta et al. (2014) – processed by Our World in Data, published as Nitrogen use efficiency. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iraq vs Sierra Leone: Nitrogen use efficiency. Statizoid, drawing on Lassaletta et al. (2014) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/nitrogen-use-efficiency/iraq/sierra-leone/

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About this data

Indicator
Nitrogen use efficiency
Unit
%
Source
Lassaletta et al. (2014) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
205 places, 10,031 data points, 1961–2014
Last refreshed

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.