Of the 497 total billionaires from 43 countries, 260 inherited some or all of their wealth, and the rest made their money themselves. Twenty-seven are college dropouts.

• 这497名来自43个国家身价在10亿美元之上的富翁中有260位是继承或部分继承了家族财产，其余的均是通过自己的努力才有了今天的成就，其中还有27位是在大学期间中途辍学开创了今天的事业。