Top 12 cities with the highest number of billionaires in the world – See which is number 1! (With Pictures)

4. London – 46 Billionaires

46 of the world’s billionaires live in London. Their average net worth is around $133.7 billion, and the average London billionaire makes $3.43 billion. There are also some reports that the number of billionaires in London has more than doubled, as some sources say that around 80 people who are billionaires call the city home. Some of the richest people in the city include Lakshmi Mittal, who is a steel mogul from India who has a fortune of over $23 billion. David Reuben is also a billionaire based in London. Combined with the wealth from his brother Richard, he has a net worth of about $3.6 billion.