The island is one of the Leeward Islands in the Lesser Antilles. It is situated about 2,100 km (1,300 mi) southeast of Miami, Florida. The land area of St. Kitts is about 168 km2 (65 sq mi), being approximately 29 km (18 mi) long and on average about 8 km (5.0 mi) across. Saint Kitts has a population of around 35,000, the majority of whom are mainly of African descent. The primary language is English, with a literacy rate of approximately 98%.