ABSTRACTThe contemporary world is politically organised on the assumption that there exists an international community which should be governed by the rule of law under the authority of the United Nations Organisation. This idea may be called cosmopolitan liberalism. It is commonly criticised for ineffectiveness caused by excessive respect for the sovereignty of states. Recently, it has become apparent that cosmopolitan liberalism is inadequate to conceptualise and consequently to solve the practical problems posed by nationalism. David Miller has sought to rehabilitate ‘nationality’in left‐liberal political philosophy. Reasons are presented for believing that his defence of nationality is inadequately articulated with cosmopolitan liberalism and consequently morally dangerous from a liberal point of