World affairs annual 2011.

• Position: Brief article

In the 26 pages that follow, you'll find maps and the latest data on the world's 195 countries--everything from languages and literacy rates to the percentage of young people in the population. To better understand the data, read the explanations accompanying the sample entry for China, below. On each map, you'll find photos and summaries of key regional challenges for the United States. And in our Snapshots section, you'll learn, among other...