1. The richest family in the world is the Walton family, by a large margin. They are the descendants of Walmart founder Sam Walton. The Waltons are unusual among the mega-rich because they inherited their wealth. Most of the people at the top of the rich lists are founders or early employees. Bloomberg puts the Walton figure at $513 billion across three generations. The second richest family is controlled by Al Nahyan of the United Arab Emirates, at $336 billion. The Waltons' wealth increased over the past year. Walmart stock is up 21% over that period, compared to an 11% increase in the S&P 500. Before this survey, were you aware that the Walton of Walmart is the world's richest family with the wealth spreading through 3 generations?