Since the 19th century, there has been a slow transformation in the nature of the norms that regulate political competition and the uses of state power. Monarchies whose legitimating principles appealed to divine sanction have steadily given way to republican regimes normatively grounded in appeals to 'the people.' Ideals of liberty, equality and solidarity have gained ground relative to ideals of hierarchy and dependence. Yet while in some ways the world is more democratic now than ever, new forms of non-democracy and new justifications for it have emerged. Drawing on a wide variety of examples and data from around the world, this important new text provides a global account of the history and theory of non-democratic government over the past two centuries.