“Behavioral” or “Behavioural”

Language

Behavioral and behavioural are both English terms.

Usage

Behavioral is predominantly used in 🇺🇸 American (US) English (en-US) while behavioural is predominantly used in 🇬🇧 British English (used in UK/AU/NZ) (en-GB).

In terms of actual appearance and usage, here's a breakdown by country, with usage level out of 100 (if available):

Term	US	UK	India	Philippines	Canada	Australia	Liberia	Ireland	New Zealand	Jamaica	Trinidad & Tobago	Guyana
behavioral	99	38	60	94	52	28	100	33	33	60	58	63
behavioural	1	62	40	6	48	72	0	67	67	40	42	37

• In the United States, there is a preference for "behavioral" over "behavioural" (99 to 1).
• In the United Kingdom, there is a 62 to 38 preference for "behavioural" over "behavioral".
• In India, there is a preference for "behavioral" over "behavioural" (60 to 40).
• In the Philippines, there is a preference for "behavioral" over "behavioural" (94 to 6).
• In Canada, there is a preference for "behavioral" over "behavioural" (52 to 48).
• In Australia, there is a 72 to 28 preference for "behavioural" over "behavioral".
• In Liberia, there is a preference for "behavioral" over "behavioural" (100 to 0).
• In Ireland, there is a 67 to 33 preference for "behavioural" over "behavioral".
• In New Zealand, there is a 67 to 33 preference for "behavioural" over "behavioral".
• In Jamaica, there is a preference for "behavioral" over "behavioural" (60 to 40).
• In Trinidad & Tobago, there is a preference for "behavioral" over "behavioural" (58 to 42).
• In Guyana, there is a preference for "behavioral" over "behavioural" (63 to 37).

Examples

Below, we provide some examples of when to use behavioral or behavioural with sample sentences.

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