Dubai climbed to the top of CBRE's annual list of the most targeted retail markets. Overall, 56 percent of the world's 300 top retailers have locations in the city--equaling London's figure.

U.S. markets in the top 20 include New York (No. 3), Los Angeles (No. 8), Las Vegas (No. 20, tie) and Miami (No. 20, tie).

Source: CB Richard Ellis Global Research and Consulting