How do you pronounce "billion"?

In American English: /ˈbɪljən/ (BILY-uhn). In British English: /bˈɪljən/ (B-ily). In Canadian English: /ˈbɪljən/ (BILY-uhn). In Australian English: /bˈɪliən/ (B-il-ee).

Is "billion" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˈbɪljən/ (BILY-uhn), while in British English it's /bˈɪljən/ (B-ily).

How to Pronounce "billion"

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billion

/ˈbɪljən/

BILY-uhn

Syllable Breakdown

bɪljbil·ənlion

Source

90%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14