Few would contest the general proposition that the population factor bears directly on the course of the friendly–and sometimes unfriendly–competition between states in the world arena today. Problems arise, however, when we try to move from the general to the specific. How, exactly, do human numbers (population size, composition, and trends of change) affect the ability of governments to influence events beyond their borders–or affect the disposition of a country’s interactions with outside actors? And this is no less important for the would-be strategist: How can we use population indicators to anticipate, with some reasonable hope of accuracy, the impact of yet-unfolding demographic forces on the balance of international power? This essay explores these questions for the world’s largest strategic arena: the great Asian/Eurasian expanse.
