The top 100 cities in the world with the most "centi-millionaires" have been revealed by global residence and citizenship planning company Henley & Partners.
A centi-millionaire is defined by the company as someone holding $US100 million ($155.5 million) in investable assets - an elite club of just 28,420 worldwide.
Click through to see the top 20 cities with the most centi-millionaires - and which Australian city made the list.
Seoul has a total of 185 centi-millionaires, cracking the top 20.
The city is home to 19 billionaires.
The city is expected to see a 25 per cent growth in centi-millionaires in the next ten years.
Toronto came in 19th place, with 192 people reaching the centi-millionaire threshold.
The Canadian city also has 18 billionaires, with a 52 per cent growth expectancy for centi-millionaires.
Sydney comes in at 18 on the list, the only Australian city in the top 20.
The city has 198 centi-millionaires and 20 billionaires.
The Australian city can expect a 60 per cent increase in centi-millionaires in the next 10 years.
Moscow in Russia is 17th on the list, with 205 centi-millionaires.
The city also has 23 billionaires.
They have the smallest estimated growth percentages out of the top 20 countries, with just 5 per cent growth predicted over the next 10 years.
Dubai has 210 centi-millionaires, putting it at 16 on the list.
Fifteen billionaires call Dubai home.
The city has the second highest estimated growth of wealthy people in the top 20 cities, with 78 per cent more centi-millionaires predicted to emerge in the next 10 years.
Mumbai beat out Dubai's predicted growth by 2 per cent.
It has 224 centi-millionaires, with an 80 per cent increase expected over the next ten years.
The city hosts 27 billionaires.
Zurich comes in at 14 on the list, with 230 centi-millionaires and 11 billionaires.
The city can expect 30 per cent growth in centi-millionaires in the next 10 years.
The first US entry on the list is Huston, Texas, sitting at 13.
The city has 255 centi-millionaires and 18 billionaires.
The city is forecast for 47 per cent growth in wealthy individuals over the next ten years.
Geneva, Switzerland is 12th on the list, with 262 centi-millionaires.
The city also homes 14 billionaires.
Tokyo, Japan, just missed out on cracking the top 10.
The city comes in at 11th with 275 centi-millionaires and 15 billionaires.
Paris made the top 10 with 280 centi-millionaires and 20 billionaires.
The city and surrounding region expect a 45 per cent growth in centi-millionaires over the next 10 years.
Another US city cracks the top 10 in Chicago, coming in at nine on the list.
The city has 286 centi-millionaires and 22 billionaires.
Although the city is in the top 10, it only has a 5 per cent growth forecast for centi-millionaires over the next ten years.
Hong Kong comes in at eighth on the list.
The city has 305 centi-millionaires and 34 billionaires.
A 24 per cent growth in centi-millionaires has been forecast for the city.
Wealthy city-state Singapore has 330 centi-millionaires and 27 billionaires, coming in at seventh on the list.
Cities in China hold multiple spots on the list, with Shanghai coming in sixth.
The city has 332 centi-millionaires and 40 billionaires.
It also has a 63 per cent estimated growth in centi-millionaires over the next decade.
Beijing comes in at fifth and is the highest entry for China on the list.
The city has 365 centi-millionaires and 44 billionaires.
It has a similar growth rate to Shanghai, at 60 per cent.
London comes in at fourth on the list, with 388 centi-millionaires and 36 billionaires.
The US dominates the top three spots on the list, with Los Angeles coming in third.
The city has 504 centi-millionaires and 44 billionaires.
It has a 17 per cent forecast growth.
San Francisco and the Bay Area came in second.
The US city, which is home to the major IT district Silicon Valley, has 692 centi-millionaires and 69 billionaires.
Not surprisingly, it also has a 50 per cent growth expectancy in the next decade.
New York City is the richest city in the world, with 775 centi-millionaires and 62 billionaires.
It won't end there: the city also has a 22 per cent growth forecast in centi-millionaires.