Discovering the True Size of Nigeria Population in Africa and the World We weren’t able to create a summary for you. Refresh your page to try again. Nigeria is the most populous country in Africa [2][3][4][5] and the sixth most populous in the world . [6][7] Nigeria is also one of the most densely populated countries in Africa , with approximately 218.5 million people [8] in an area of 923,768 km 2 (356,669 sq mi). [9][10] Nigeria is the most populous country in Africa [2][3][4][5] and the sixth most populous in the world . [6][7] Nigeria is also one of the most densely populated countries in Africa , with approximately 218.5 million people [8] in an area of 923,768 km 2 (356,669 sq mi). How to use discover in a sentence. Synonym Discussion of Discover. present participle of discover 2. to find information, a place, or an object, especially for the…. Definition of discover verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. discovering synonyms, discovering pronunciation, discovering translation, English dictionary definition of discovering. dis·cov·ered , dis·cov·er·ing , dis·cov·ers 1. To notice or learn, … Find 107 different ways to say DISCOVERING, along with antonyms, related words, and example sentences at Thesaurus.com.