Part of Power and the United States

The Age of Nonpolarity

What Will Follow U.S. Dominance

Download

The principal characteristic of twenty-first-century international relations is turning out to be nonpolarity: a world dominated not by one or two or even several states but rather by dozens of actors possessing and exercising various kinds of power. This represents a tectonic shift from the past.

The twentieth century started out distinctly multipolar. But after almost 50 years, two world wars, and many smaller conflicts, a bipolar system emerged. Then, with the end of the Cold War and the demise of the Soviet Union, bipolarity gave way to unipolarity -- an international system dominated by one power, in this case the United States. But today power is diffuse, and the onset of nonpolarity raises a number of important questions. How does nonpolarity differ from other forms of international order? How and why did it materialize? What are its likely consequences? And how should the United States respond?

NEWER WORLD ORDER

In contrast to multipolarity -- which involves several distinct poles or concentrations of power -- a nonpolar international system is characterized by numerous centers with meaningful power.

Register for free to continue reading.
Registered users get access to two free articles every month.

Or subscribe now and save 55 percent.

Subscription benefits include:
  • Full access to ForeignAffairs.com
  • Six issues of the magazine
  • Foreign Affairs iPad app privileges
  • Special editorial collections

Latest Commentary & News analysis