James McAvoy accent is rooted in his Scottish upbringing in Glasgow and North Lanarkshire, producing a natural contemporary Scottish English base with lower perceived prestige.
In formal interviews he often softens this toward a more neutral, slightly regionally marked General British, while in many film roles he adopts Received Pronunciation or cultivated English that audiences treat as a prestige benchmark.
This article explains how his accent operates in real life and on screen, how perceptions of credibility and intelligence shift with each variant, and how his vocal choices support character authority and relatability across different genres.