Dubai leads Mastercard’s index that measures per person per day spending Visitors are spending more money in Dubai than any other city in the world – again. New statistics released from Mastercard reveal visitors on average spend more per day in Dubai than anywhere else. The data from Mastercard’s Global Destination Cities Index (GDCI) shows visitors spent an average of $553 per person per day in the emirate, far ahead of second-place Paris ($296 per day). Singapore was third