Second largest continent, population about 1.1 billion.

Reference

Africa - Wikipedia, the free encyclopedia
"Africa is the world's second-largest and second-most populous continent, after Asia. At about 30,360,288 km² (11,722,173 mi²) including adjacent islands, it covers 5.9 percent of the Earth's total surface area, and 20.3 percent of the total land area. With more than 840,000,000 people (as of 2005) in 61 territories, it accounts for more than 12% of the world human population. ..."

Books

Africa Betrayed
    by George B. N. Ayittey, 1992
Africa in Chaos: A Comparative History
    by George B. N. Ayittey, 1997
Africa Unchained: The Blueprint for Africa's Future
    by George B. N. Ayittey, 2004