How many syllables are in the word squirrel?

Answer 1

There are two syllables in the word 'squirrels'. (squir~rels)

Answer 2

The number of syllables for this word differs by the speaker. Commonly, British has a pronunciation that has 1 syllable and rhymes with "whirl". American uses 2 syllables with the emphasis on the first syllable. The difference in pronunciation is recognized by many dictionaries.

To clarify, the British do not pronounce the word [skwirl], we pronounce it [skwi-rul] as in two syllables.