Libya: When?: TBD
Incumbent: Fayez al-Sarraj
Context: Libya remains deeply divided since the fall of Muammar Gaddafi in 2011 and effectively has two governments, one in Tripoli (backed by the UN) and one in Benghazi.
Key people UN-backed Fayez al-Sarraj and Khalifa Haftar of the Libyan National Army. The wild card is Saif al-Islam Gaddafi, who is looking to mount a challenge.
Growth forecast: 31.2%
Mali: When?: April-November
Incumbent: Ibrahim Boubacar Keita
Context: Mali is a key country in the Sahel, and at the heart of the migration and security debate. Local elections have already been pushed back from last December due to security concerns.
Key people: President Ibrahim Boubacar Keita, former PM Abdoulaye Idrissa Maiga and Kalifa Sanogo, the mayor of Sikasso.
Growth forecast: 5%
When?: 7 March
Incumbent: Ernest Bai Koroma
Context: After more than a decade Sierra Leone will elect a successor to Koroma. His mixed record on economic reform means a win for the ruling All People's Congress is not a given.
Key people: Samura Kamara--a former finance minister--is the ruling party's candidate. Former UNIDO head Kandeh Yumkellah is looking to pull off a surprise victory.
Growth forecast: 6.1%
Incumbent: Paul Biya
Context: A growing separatist movement in the country's minority English-speaking region could prove crucial as the country's long-time president looks to extend his 35-year rule.
Key people: Paul Biya for the ruling party. Akere Muna, a prominent and highly regarded lawyer, has also declared he will run.
Growth forecast: 4.6%
Incumbent: Abdel Fattah al-Sisi
Context : Egypt is going through tough economic reforms on the back of a record $12bn IMF loan. The vote will be a test of confidence in al-Sisi's government.
Key people: A meaningful...