“Unfavorable” or “Unfavourable”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 2 prefer “unfavorable” and 5 prefer “unfavourable”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	unfavorable	unfavourable	Preference
United States	99	1	“unfavorable”
United Kingdom	20	80	“unfavourable”
India	35	65	“unfavourable”
Philippines	94	6	“unfavorable”
Canada	50	50	No clear preference
Australia	19	81	“unfavourable”
Liberia	0	0	Not enough data
Ireland	20	80	“unfavourable”
New Zealand	18	82	“unfavourable”
Jamaica	0	0	Not enough data
Trinidad & Tobago	0	0	Not enough data
Guyana	0	0	Not enough data

Usage

Examples in context

Real sentences for each spelling. Hover an example to copy it.

“unfavorable”

…out of 100 with generally unfavorable reviews from 30 critics.
…Boris de Schloezer held somewhat unfavorable views of Stravinsky's works, and…
…on 26 critics, indicating "generally unfavorable reviews".
…disrupted by company politics, an unfavorable visit by Sega of Japan…
…business by threatening to publish unfavorable information unless the business immediately…
…on its use due to unfavorable flying characteristics.
…to France because of an unfavorable medical diagnosis.
…Sundance, The Lifeguard received generally unfavorable reviews.
…on four critics, indicating "generally unfavorable reviews".
…Uncaged was released to "generally unfavorable" reviews, according to the review…

“unfavourable”

…6 months even under very unfavourable conditions.
…the General Council's efficacy are unfavourable, mostly citing lack of funds,…
…proving flight to India under unfavourable weather conditions.
Unfavourable conditions tend to cause Vorticella…
…also adopted; this possessed no unfavourable interaction with the engine flow.
…prison reform: “I regard as unfavourable to reformation the status of…
…agreed with Epiphanius in his unfavourable view of Nicolas.
…Britain, where it received an unfavourable review in the Times newspaper.
…on Rotten Tomatoes, indicating generally unfavourable reviews.
…support from financial institution and "unfavourable" conditions, the project is yet…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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