Sierra Leone Map & Atlas

Sierra Leone is divided into 4 first-level administrative divisions:

Freetown is the largest urban area in Sierra Leone with about 827,000 people.

Highest terrain in Sierra Leone: ≈ 2,465 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.

Temne 35.4%, Mende 30.8%, Limba 8.8%, Kono 4.3%, Korankoh 4%, Fullah 3.8%, Mandingo 2.8%, Loko 2%, Sherbro 1.9%, Creole 1.2% (descendants of freed Jamaican slaves who were settled in the Freetown area in the late-18th century; also known as Krio), other 5% (2019 est.)

Regionally, Temne is the most common ethnic group across most of the 4 divisions, while Mende predominates in 2 divisions (Eastern, Southern).

Source: CIA World Factbook (2019 est.) · regional dominance compiled by Glostats from censuses and surveys

Muslim 77.1%, Christian 22.9% (2019 est.)

Regionally, Muslim is the most common religious group across most of the 4 divisions.

Source: CIA World Factbook (2019 est.) · regional dominance compiled by Glostats from censuses and surveys

English (official, regular use limited to literate minority), Mende (principal vernacular in the south), Temne (principal vernacular in the north), Krio (English-based Creole, spoken by the descendants of freed Jamaican slaves; a first language for 10% of the population but understood by 95%)

Regionally, Mende is the most common language group across most of the 4 divisions, while Temne predominates in 1 division (Northern); Krio predominates in 1 division (Western).

Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys