Number of Countries in Africa – 54 and a couple of disputed territories (Western Sahara and Somaliland). South Sudan is Africa’s newest country, officially born on July 9, 2011.
Most populated country in Africa – Nigeria is the most populated country in Africa with an estimated population of 125 – 145 million people. (Population statistics are politically loaded and that’s why these numbers vary so much). Egypt is second with over 76 million people.
Number of Ethnic Groups (tribes) in Africa – Difficult to estimate but there are at least 3,000 distinct ethnic groups in Africa. A large country like Nigeria has more than 370 recognized tribes.
Number of Languages Spoken in Africa – There are over 2000 languages spoken in Africa. Arabic (in various dialects) has the highest number of speakers with over 170 million speakers, mostly living in North Africa and the Horn of Africa.