Baby-boomers had been born between 1946 and 1964—and are the luckiest technology in historical past. Many of the cohort, which numbers 270m throughout the wealthy world, haven’t fought wars. Some acquired to see the Beatles stay. They grew up with robust financial development. Not all are wealthy, however in mixture they’ve amassed nice wealth, owing to a mix of falling rates of interest, declining housebuilding and powerful earnings. American baby-boomers, who make up 20% of the nation’s inhabitants, personal 52% of its internet wealth, value $76trn (see chart 1).