Twi, also known as Akan kasa, or Akan-speak, is a dialect of the Akan language spoken in southern and central Ghana by several million people, mainly of the Akan people, the largest of the seventeen major ethnic groups in Ghana. Twi has about 17–18 million speakers in total, including second-language speakers; about 80% of the Ghanaian population speaks Twi as a first or second language. Like other West-African languages, Twi is a tonal language.
