Complex sentence: As well as being spoken by the Temne people, Temne is spoken by other Sierra Leonean ethnic groups as a regional lingua franca, especially in Northern Sierra Leone; the language is spoken by around 40% of Sierra Leone's population.
Split into simpler sentences: As well as being spoken by the Temne people, Temne is also spoken by other Sierra Leonean ethnic groups as a regional lingua franca in Northern Sierra Leone. In total, the language is spoken by around 40% of Sierra Leone's population.