Which is the shortest alphabet in the world?

Rotokas is a language estimated to be spoken by less than 4,000 people on the island of Bougainville, Papa New Guinea. The modern Rotokas alphabet is a Latin alphabet consisting of only 12 letters. The majority of the Rotokas people are literate in their language.

In the Rotokas writing system the vowel letters have their IPA (International Phonetic Alphabet) values, though they may be written double, 'aa', 'ee', 'ii', 'oo', 'uu', for long vowels. Here’s a simple sentence written in Rotokas: 'Osireitoarei avukava iava ururupavira toupasiveira'. It means, ‘The old woman's eyes are shut’.

Taki Taki, also called Sranan is the language with the fewest words. !Xóõ is the language with the most vowel sounds.