All modern Western-style democracies are types of representative democracies; for example, the United Kingdom is a constitutional monarchy and Germany is a parliamentary republic.Representative democracy is often presented as the only form of democracy possible in mass societies.It arguably allows for efficient ruling by a sufficiently small number of people on behalf of the larger number.ll modern Western-style democracies are types of representative democracies; for example, the United Kingdom is a constitutional monarchy and Germany is a parliamentary republic.