Gallup has just published its Global Well-Being Index, based on a survey of 134,000 adults in 135 countries – i.e. a big exercise. The methodology is rigorous, presided over by Angus Deaton, who also contributes a glowing foreword. The index includes five elements of well-being: purpose, social, financial, community, and physical. Here’s what it finds for the BRICS, for example (headline message,