The study analyzes the formal powers of current European monarchs, and examines their actual use. We investigate the royal prerogatives of monarchs from ten European nations: Belgium, Denmark, Lichtenstein, Luxembourg, Monaco, the Netherlands, Norway, Spain, Sweden, and the United Kingdom. The text deals with four powers – legislative initiative, royal assent/veto, selection/appointment of the prime minister and dissolution of parliament. The constitutional power is described first; its real use in the period of 1990–2012 is then examined. At the end, a comparison of every single prerogative is carried out, conclusions about the actual position of monarchs in current European political systems are drawn, and a tentative answer to questions concerning the future of kings, princes, and grand dukes serving as heads of state in European countries is suggested.