The annual ranking of the cities with the most billionaires have been released by Forbes based on the reporting of a number of journalists across the globe.

To compile the list, the reporters made a record of the primary residences of around 1210 billionaires worldwide and formulated their annual assessment of people having seven-figure or higher fortunes in US dollars. However, secondary homes were taken into list while working on the assessment.

A shocking revelation while formulating the list is that the highest growth in the billionaires were from the B-R-I-C nations, that is, Brazil, Russia, India and China. These countries together produce a total of 108 billionaires in the last year alone owing to their rapidly growing economies.

Start the slideshow to view a gallery of the top 10 cities in the world with the highest number of billionaires: