Contrary to popular belief, most interpreters (who work with spoken or signed languages) do not work at the United Nations.

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The figures also showed that not all languages were spoken - with 22, 000 people using sign language.

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But with more than 140 languages and dialects spoken, you can make it a vacation to any destination you like.

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Linguists estimate about 200 Native American languages are spoken in the U.S. and Canada, with another 100 already extinct.

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In an analysis of 504 world languages, Dr. Atkinson found that, on average, dialects with the most phonemes are spoken in Africa, while those with the fewest phonemes are spoken in South America and on tropical islands in the Pacific.

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