Naturally, there’s a rift between generations born between 1981 and 1996, in the case of millennials, between 1965 and 1980, in the case of generation X and between 1946 and 1964 in the case of baby boomers.

Together, these three generations make up the bulk of today’s workforce, with millennials representing close to a quarter of the global population, according to “Millennial Moment”, a series published by the Financial Times. Millennials are quickly outnumbering previous generations, however, and will account for over 35% of the global workforce by 2020, the FT reports...