Living 20.4% By Indy Staff Thu Feb 05, 2009 | 12:00am Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Add on Google Add the SB Independent as your preferred source to see more of our stories on Google. 20.4% The percentage of the Earth’s total land area that Africa covers. source: wikipedia.org/wiki/Africa.