American Samoa vs Guinea-Bissau: Nitrogen use efficiency

American Samoa
62.1%
in 2014
Guinea-Bissau
62.2%
in 2014
American Samoa rank
67th
Guinea-Bissau rank
65th

Nitrogen use efficiency over time

  • American Samoa
  • Guinea-Bissau
20406080196119872014

How they compare

Guinea-Bissau currently reports 62.2% against 62.1% in American Samoa, a difference of 0.1%.

Across all 54 years both countries report, Guinea-Bissau has been ahead every year.

American Samoa ranks 67th and Guinea-Bissau ranks 65th of 205 countries.

Guinea-Bissau has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade American Samoa Guinea-Bissau Difference Ahead
1960s 32.6% 64.3% 31.7% Guinea-Bissau
1970s 29.8% 55.1% 25.3% Guinea-Bissau
1980s 22.4% 62.0% 39.6% Guinea-Bissau
1990s 28.5% 61.9% 33.4% Guinea-Bissau
2000s 41.3% 65.1% 23.9% Guinea-Bissau
2010s 50.7% 58.9% 8.2% Guinea-Bissau

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrogen use efficiency, American Samoa or Guinea-Bissau?
Guinea-Bissau, at 62.2% against 62.1% in American Samoa as of 2014.
What is the difference in nitrogen use efficiency between American Samoa and Guinea-Bissau?
0.1%, with Guinea-Bissau ahead.
How many years of comparable data are there for American Samoa and Guinea-Bissau?
54 years are reported by both, from 1961 to 2014.
How do American Samoa and Guinea-Bissau rank globally for nitrogen use efficiency?
American Samoa ranks 67th and Guinea-Bissau ranks 65th 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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American Samoa vs Guinea-Bissau: 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/american-samoa/guinea-bissau/

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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.