
South Sudan is the newest member of the United Nations, having seceded from Sudan earlier this year. The peaceful separation is considered an example of successful U.N. peacekeeping.
Source: CIA World Fact Book

This map shows the efflux of refugees from Côte d’Ivoire due to violence there. A U.N. peacekeeping presence has failed to stem the flow and exemplifies the challenging nature of modern peacekeeping.
Source: United Nations

United Nations members are shown in blue in this comparison of the world at the founding of the United Nations, top, and in 2010, bottom.
Source: United Nations