Claim: The open central unrounded vowel is used in approximately 23 different cultures from around the world.
Evidence: The open central unrounded vowel, or low central unrounded vowel, is a type of vowel sound, used in many spoken languages. Burmese Mandarin Czech Danish Dutch English Australian East Anglian General American New Zealand Some Canadian speakers Some English English speakers French Parisian German Hungarian Italian Japanese Limburgish Lithuanian Polish Portuguese Romanian Serbo-Croatian Spanish Swedish Thai Turkish Welsh Yoruba