Almost all of Albrecht's fortune is owned through closely held grocer Aldi Sued, which operates about 4,500 stores worldwide and generates $41 billion in estimated annual revenue. He co-founded the discount supermarket chain Aldi with brother Theo in 1960. The brothers split the firm in two. Theo Albrecht's sons own Aldi Nord.
The 100 wealthiest people on the planet added $5.9 billion to their collective net worth this week as global markets inched upward amid concerns about U.S. budget negotiations and slowing economic growth in Germany.