New Delhi, April 6 -- The world has 3,028 billionaires, spread across over 800 cities around the globe, reported Forbes. According to Forbes' World's Billionaires list, around a quarter of world's total billionaires, with a combined worth of $3.3 trillion, live in just ten cities.

The top ten billionaire cities include New York City, Hong Kong, London, Mumbai, and San Francisco.

1- New York City has ranked as the top city, with 123 of them holding a combined worth of $759 billion.

Michael Bloomberg with $105 billion is the richest New Yorker.

2- Moscow is on the second spot with 90 billionaires, with a combined worth of $409 billion.

Vagit Alekperov with $28.7 billion is the Richest resident of the Russian capital.

3- Hong Kong, amo...