I love reading The Economist.

This past week, I read an article about electricity in Africa.  The start of the article is as follows:

SEEN from space, Africa at night is unlit—as dark as all-but empty Siberia. With nearly 1 billion people, Africa accounts for over a sixth of the world's population, but generates only 4% of global electricity. Three-quarters of that is used by South Africa, Egypt and the other countries along the north African littoral.

The thing that really drove this home for me as a picture of Africa from space at night: