National identity is fundamental to citizenship, Theresa May told Conservatives in October, and self-styled ‘citizens of the world’ are deluding themselves. Matthew Grant traces how British citizenship has been endlessly redefined for political purposes since the second world war – first becoming associated with whiteness, and now with the non-European. The scope of what constitutes ‘belonging’ is shrinking. … Continue reading ‘Citizen of the world’? Think again: British citizenship after Brexit