Publisher’s Acknowledgement


3 National Archives of Ireland: Data from Central Statistics Office/1911 Census; 7 William Playfair: Quote by William Playfair; 13 and 14 Florence Nightingale: Quote by Florence Nightingale; 8 Financial Times Limited: How to view all FT graphics in one place, Available at:; 9 Graphics Press LLC: Edward Tufte, Envisioning Information Graphics Press, 1990; 10 Financial Times Limited: Referendum results: Press Association EU trade research: John Springford, Philip McCann, Bart Los and Mark Thissen. Graphic by John Burn-Murdoch/@jburnmurdoch appeared in

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