How to Say "predominant" in Spanish
The Spanish word for “predominant” is “mayoritario” — B2 level.

Examples
El apoyo mayoritario de la población es fundamental.
The majority support of the population is fundamental.
Ella es la accionista mayoritaria de la empresa.
She is the majority shareholder of the company.
Existe un sentimiento mayoritario a favor del cambio.
There is a widespread feeling in favor of change.
Matching with Nouns
This word must match the gender of the noun it describes. Use 'mayoritario' for masculine nouns and 'mayoritaria' for feminine nouns.
Placement
In Spanish, this word almost always comes after the thing you are describing, such as 'el grupo mayoritario'.
Using the Noun Instead
Mistake: “El grupo mayoría votó sí.”
Correction: El grupo mayoritario votó sí. (Use the adjective form 'mayoritario' to describe the group, not the noun 'mayoría'.)
Related Translations
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