Spoken by >98% of the population. Mexican Spanish has distinct vocabulary, pronunciation, and idioms (e.g., ustedes for plural you, indigenous loanwords like chocolate, tomate, aguacate).
Recognized as national languages alongside Spanish. Major groups:
Speakers have rights to use them in education, courts, media.
English is widely understood in tourist zones (Cancún, Los Cabos, Mexico City), border cities (Tijuana, Ciudad Juárez), and business. Many professionals are bilingual. Other languages (German, French, Chinese) appear in expat communities.