Rounding out the top 10, Moscow slipped from third place to fourth, while Mumbai and San Francisco - each home to 48 billionaires - tied at No. 8.
Ukuqeda i-10 ephezulu, iMoscow yehle isuka endaweni yesithathu yaya kwesine, kuthi iMumbai neSan Francisco - ikhaya ngalinye libe nezigidigidi ezingama-48 - ziboshwe kunombolo 8.