Image Source. A home stands in Atherton, California, U.S., on Tuesday, Feb. 18, 2020. The decade-long conflict in Syria weakened the Syrian pound, led to a spiraling inflation and fuel shortages, and further collapsed its economy. Monaco - 29.21% Millionaires. This northern Chinese city is not only a hub for luxury brands, it headquarters China's largest companies, many of which are considered in the Fortune Global 500. A big economic draw for San Francisco is its close proximity to Silicon Valley. Newcomers from other sectors also joined the ranks, including AI pioneer Daniel Dines and Brooklyn native Jay-Z. Please do not hesitate to contact me. It is the largest urban economy on the planet. New York City. Each of the columns in the table is sortable by pressing on the arrows at the head of the column: Cities (metropolitan areas) by percentage of national GDP. Both these cities had high inflation and a strong currency. Those include Abhay Vakil, who heads Indias largest paint company, Asian Paints, and the Parekh brothers, who control adhesives and sealants maker Pidilite Industries. She finds almost all topics she writes about interesting, but her favorite subjects are travel and food. Richest Cities in the World. A good part of their revenue comes from their port, which is the largest container port in the world. You need at least a Starter Account to use this feature. At 89 years old, Warren Buffett is the oldest richest person by 5 years. In fact, Delhi's population can beat Tokyo by 2028. In, Hurun Research Institute. Los Angeles, USA The city of Los Angeles makes significant efforts to foster economic growth in the local community. Top 10 Poorest Countries In The World 1. San Ramon ranks among the top ten safest cities in California. The Top 15 Cities in Asia in 2020. Ahmedabad - Textile Hub Of India. Zhongguancun is considered the Silicon Valley of China and is deeply rooted in the electronics and high-tech industries such as Microsoft, Sony and Google. Today, with 272,400 millionaires, the city holds a more humble position. (Video) TOP 10 RICHEST CITIES In The World 2021 (Uncover) Which is the richest city in the world 2022? Furthermore, the Big Apple was also a popular destination for entrepreneurs and innovative businesses, furthering its reputation as a financially-savvy city. In addition, Singapores political stability, low crime rate, and high standard of living have also contributed to its appeal as a place to live and work. 2 on the list, but the city recorded a net loss of eight billionaire residents. Additionally, the world's major companies are headquartered in Seoul, which include Samsung, Hyundai, LG, and Kookmin Bank. Palo Alto - $147,537 Beijing also has a sizeable billionaire population of 100 people, compared to any other international city. Out of the 2,095 members of the 2020 Forbes Worlds Billionaires list, 552 live in just ten cities. RANKED: These Are The 50 Richest Towns To Live In The United States, 2020 Sophie Ireland C-Suite Lifestyle February 21, 2020 With an average household income of more than $525,000, Atherton, California is the richest town in the United States, that's according to a Bloomberg report. Not surprisingly, China is home to three of these cities, including Hong Kong (SAR). 2. Kolkata is house of many Indian corporations like Coal India Limited, ITC Limited, Britannia Industries, Allahabad Bank,. Meanwhile, seven cities in Asia with the common denominator of high-income inequality and low wages dominate the list of the worlds cheapest cities. Beijing, China: $591.374 Billion Beijing is the capital of China and has a population of over 20 million. This international city has over 192,000 resident millionaires with 34 billionaires. E-commerce has seen a boom in China since millions of citizens were locked down in an effort to slow the spread of the coronavirus in January, boosting the fortunes of online retail titans like Colin Huang. The city contributes about 30% of goods sold in Russia. Major financial powerhouses in London include Canary Wharf, HSBC and Barclays. 1. MacKenzie Scott is an American novelist and philanthropist. Other companies crucial to Seouls economic health include: Kia, Daewoo and Hyundai. Los Angeles, Chicago and Houston round out the top five. In particular, the United States claims five of the cities in the top 10, including the very top spot with New York City. 10. This is a list of cities in the world by gross domestic product (GDP). Dubai in top 10. The billionaire's rank, nationality, and source of his or her wealth is listed. In some U.S. cities, however, more than half of all households earn $70,000-plus. Most of the cities in our list have a similar history in terms of long-standing economical power (Tokyo, Paris, London), while others seem to have gained most of their wealth in the past 2 to 3 decades (San Francisco.). March 17, 2022. These are of very low quality and should be avoided. (((61/33)^(1/15))^10)*33 and (((33/21)^(1/15))^10)*21. On this list, New York City was ranked as the richest city with a total of $3 trillion in private wealth. Here are the Top 10 Richest Places in America and how they split their Heroes Act bailout allocation: #1. New York is home to many Fortune 500 companies and is the financial heart of the United States, with the New York Stock Exchange and NASDAQ located in the Big Apple. For over 50 years, Tokyo has occupied the top spot, and shows no sign of slowing down. U.S. Inflation: How Much Have Prices Increased? The median home value for the lower Tribeca area is around $2.5 million. Being a prominent city in Asia, Shanghai is home to over 24 million people, there are about6,180 multi-millionaires and 42 billionaires living in Shanghai. Their net worth is based on the data from 2022 available on their respective Forbes profiles. Makati City: $4.48 billion. He is popularly known for his role as Madea on House of Payne. It is through the electric car maker Tesla and in space by rocket produced by SpaceX. New York City, USA: $1,330.000 Billion. 1. 2 on the list, but the city recorded a net loss of eight billionaire residents. Moreover, there are over 25 FortuneGlobal 500companies headquartered in Paris (which are the top companies in the world based on their revenues) including Danone, Sanofi, Christian Dior, and Finatis. Home to 12 Fortune 500 companies, the city of Philly is Pennsylvanias financial hub. Cities become expensive due to a variety of factors such as high demand for housing, a concentration of high-paying businesses and industries, and a high standard of living. Our ranking shows the 50 wealthiest countries, measured by gross domestic product per capita and adjusted by the purchasing in the respective country. Moreover, dozens of Russia's most prominent companies are also headquartered in Moscow that contribute to the city's wealth, which includeRosneft, Sberbank, Russian Railways, and Lukoil. Dallas is known to attract innovation, and one look at some of the top companies in Dallas proves it: AT & T, Texas Instruments, Pinnacle Group, Solera and Capital Networks, among others. With an estimated GDP of $310 billion, Mumbai ranks number one in the list of the richest cities in India. These figures were taken after the market close on September 18, 2020. While Shenzhens export-led manufacturers have struggled from the effects of the trade war with the U.S., the citys billionaires added $29.7 billion to their collective net worth since 2019. The top 10 riches cities in the world behind New York City were Tokyo, San Francisco Bay Area, London, Singapore, Los Angeles and Malibu, Chicago, Houston, Beijing, and Shanghai. London has been the worlds wealthiest city for years, but over the past decade there has been an outflow of millionaires. London and the rest of the United Kingdom finally left the European Union on January 31st, 2020. Historically speaking, Osaka has always been thought of as a major economic center of Japan. The city with one of the most expensive real estate markets worldwide, Hong Kong ranked fourth in this list, followed by Los Angeles, which moved up from its ninth rank in 2021. Currently, 43 Fortune 500 companies that call New York City home include: Verizon, JP Morgan, Pfizer, Citigroup, MetLife, Goldman Sachs, Morgan Stanley, and more. Newsletter. There are many benefits to living in an iconic city like New York or Singapore, but the amenities and exclusivity can come at a high cost. China retains its title as the country with the most cities in the top 10, with Shenzhen moving up one spot to No. Beyonc, Jay Z and Taylor Swift are just a few of the celebrities who own property in Tribeca. Major metropolitan areas contributing at least 2.5% of world GDP. This California city is home to prominent billionaires like Mark Zuckerberg, Laurene Powell Jobs, Brian Chesky, and Jack Dorsey, with many of these billionaires possessing assets worth over $8 billion USD. Industries critical for L.A.s economic success include entertainment, international trade, gaming, tourism, fashion and more. Its wealthiest resident, , chairman and CEO of Internet media behemoth Tencent Holdings, is the, . - Full Size", "Gross domestic product (GDP) at basic prices, by census metropolitan area (CMA)", "Population estimates, July 1, by census metropolitan area and census agglomeration, 2016 boundaries", "Population on 1 January by age groups and sex - functional urban areas", "President: Almaty turns into large regional investment attractive centre", "Posio ocupada pelos maiores municpios brasileiros em relao ao Produto Interno Bruto, Est. The Top 5 Cities in Mexico in 2020. 30 in the index, a. The number of millionaires has been growing steadily over the last 10 years, and if the trends of recent years hold, San Francisco could become the number one millionaire hub by 2040. The Top 5 Cities in Mexico. These four cities are, Singapore broke into the top 10, replacing Seoul, which was No. As such, you can see how anything affecting these shipping ports will have a negative impact on world wide supply chain logistics. To make the list, the EIU examines 400+ prices for over 200 products and services in 172 cities, surveying a variety of businesses to track price fluctuations over the last year. Current Health Expenditure per Capita. Of the top 50, the city with the biggest jump in the rankings was Austin, Texas, which moved up 18 spots from 2017 to claim No. You can only download this statistic as a Premium user. Tokyo, Japan- GDP: $1,520 billion. 12. New York City (NYC), which lost the number one slot to Beijing in 2021, has added eight new billionaires with a total net worth of $640.4 Billion. London is ranked second with $2.7 billion in private wealth. Newcomers from other sectors also joined the ranks, including AI pioneer, Hong Kong remains No. Singapores richest resident. ", Hurun Research Institute, Leading cities with the most billionaires in 2022 Statista, https://www.statista.com/statistics/299494/billionaires-top-cities/ (last visited March 04, 2023), Leading cities with the most billionaires in 2022 [Graph], Hurun Research Institute, March 17, 2022. Access to this and all other statistics on 80,000 topics from, Show sources information Overview and forecasts on trending topics, Industry and market insights and forecasts, Key figures and rankings about companies and products, Consumer and brand insights and preferences in various industries, Detailed information about political and social topics, All key figures about countries and regions, Market forecast and expert KPIs for 600+ segments in 150+ countries, Insights on consumer attitudes and behavior worldwide, Business information on 60m+ public and private companies, Detailed information for 35,000+ online stores and marketplaces. Industries that contribute to New York Citys economy are health care, tourism, real estate, tech, publishing, fashion, media and insurance, among others. The Football Lovers Menu News Premier League Manchester City Manchester United Liverpool Chelsea Arsenal Leicester City Tottenham Hotspur West Ham United Everton Transfers Top 10 Quizzes Fortune 500 companies include Discovery Communications, Fannie Mae, Walmart and CACI International among others. Furthermore, being a world-class city, Seoul's cost of living is high compared to other cities in Asia, especially in regards to its real estate prices. The collective net worth of the citys billionaires is $424 billion, down $45.7 billion from a year ago. Alongside its growing wealth, San Francisco is also one of the fastest growing cities in the country. 9 last year. A huge part of this development was the influx of multi-national corporations. Leading cities with the most billionaires in 2022 [Graph]. Most such agglomerations are economically, socially and culturally dominated by one city at their centre. The city of rich historical, cultural, political and social significance, New Delhi, ranks second on this list with a GDP of $293.6 billion. In 2022, the combined wealth of India's 100 richest increased by $25 billion to touch $800 billion. While Shenzhens export-led manufacturers have. The collective net worth of the citys billionaires is $424 billion, down $45.7 billion from a year ago. New York is home to many Fortune 500 companies and is the financial heart of the United States, with the New York Stock Exchange and NASDAQ located in the Big Apple. the country's economy as a whole is one of the fastest growing in the world. Moscow is also home to a population of "nouveau riche" Muscovites and prominent neighborhoods, with properties that can cost millions of dollars. Values soared as interest rates on loans went down in a sellers market, which made it tougher to find affordable properties. Looking to the future, companies and high-net-worth individuals will inevitably move where they are treated best. NYC has held the title of the wealthiest city in the world for many decades now, housing around 59 billionaires and a whopping 345,600 millionaires! It has a diverse stable economy ranging from Gas Extraction and Manufacturing, Companies and Enterprise, and Retail Trade. Though London had a net gain of one new billionaire this year, this city that appeals to the worlds elite actually has five new billionaire residents who hail from outside the United Kingdom, including Russian brothers Dmitry and Igor Bukhman, founders of online gaming firm Playrix; and Camilla de Godoy Bueno Grossi, who inherited part of the fortune of her late father, Brazilian healthcare tycoon Edson de Godoy Bueno. Does your team make it in the top fifty richest soccer clubs in 2022? In an attempt to rank the cities of the world according to wealth, we will use the Purchasing Power Parity (PPP) as a means of comparison. Delhi City. Sweeping sunsets, desert landscape, and breathtaking canyonsthese are the things that most everyone think of when someone says Arizona. The city by the bay has five fewer billionaires than a year ago in part because fortunes fell below $1 billion for former Uber CEO, . Despite suffering a tough downturn due to the pandemic, Shanghai remains one of the worlds richest cities. For the first time, revenues from Global 500 companies in Greater China (including Taiwan). Tourism is another major contributor to the economy of Philadelphia. 1. 5. Kolkata is the third richest city in South Asia after Mumbai and Delhi. He worked to revolutionize transportation on earth. London City | Photo: Reuters 7. Although she spends most of her time writing, she also enjoys spending time with her husband and four children, watching films, cooking, dining out, reading, motorsports, gaming, and walking along the beach next to her house with her dog. Its no surprise to anyone that a good chunk of the Paris economy is the tourist trade. By 2025, the city's GDP would have [] L.A. is also abuzz with development projects, such as refurbishing businesses like Manns Chinese Theater, as well as infrastructure projects. StartupTalky has compiled an exhaustive list of the top richest people in India for the year 2022. In 2019, the Northern California city attracted 26.2 million visitors who spent around $10.3 billion USD in the city. The typical American household earns $57,617 per year. You need a Statista Account for unlimited access. However, invading a sovereign nation had its consequences, and Russias entire economy is in a state of disrepair. "The Sy siblings took the biggest hit in dollar terms but remain at No. These cities have a combined GDP of $2.4st trillion, equating to more than double that of second-place San Francisco. Quezon City: $1.69 billion. Moreover, when it comes to its residents, there are about 9,210 multi-millionaires calling London home, as well as 38 billionaires. This may not be surprising, considering the U.S. is the world's largest wealth marketit holds over 29% of the world's wealth. Shibuya Crossing, one of the busiest crosswalks in the world, in Tokyo, Japan Tokyo's wealth is also tied to the Tokyo Stock Exchange (TYO), regarded as one of the largest stock exchanges in the world. It checks all the boxes when it comes to being an economically successful place: physical connectedness (ports, rivers, public transporatation), investment opportunities (access to venture capital), and attracting a crowd of skilled individuals from around the globe, nurturing a culture of innovation. According to Jennifer Reynolds, Pre4sident and CEO of Toronto Finance International, Torontos success is due in large part to the strength and significant growth of its financial industry. Number of individuals with a net worth of $5 million or more: 49,005 Percentage of global population: 1.7% Paris is the capital and most populous city of France, with an estimated population of 2,150,271 residents as of 2020, in an area of 105 square kilometers (41 square miles). Swift reportedly owns about $40 million worth of property in the area. Wealthiest cities (amount in billions . Tokyo's wealth is also tied to the Tokyo Stock Exchange (TYO), regarded as one of the largest stock exchanges in the world. Toronto is the second largest financial center in North America, Like New York City, Torontos financial hub is populated by diverse industries. Directly accessible data for 170 industries from 50 countries and over 1 million facts: Get quick analyses with our professional research service. Dallas plays host to a variety of industries, and its these industries which are responsible for the economic growth of the Dallas metropolitan area. A little known fact is that L.A. is the manufacturing center of the country. Learn more about how Statista can support your business. The company currently focuses on its four core brands: Cadillac, Chevrolet, GMC and Buick. Barcelona, Spain Rome, Italy Madrid, Spain Singapore, Singapore Amsterdam, Netherlands Prague, Czech Los Angeles, USA Chicago, USA San Francisco, USA Berlin, Germany Hong Kong, China Washington, USA Beijing, China Dublin, Ireland Istanbul, Trkiye Las Vegas, USA Milan, Italy Budapest, Hungary Toronto, Canada Sydney, Australia Seoul, South Korea The top 10 richest families in 2022 by estimated wealth are: The Walton family with $224.5 billion The Mars family with $160 billion The Koch family with $128.8 billion The Al Saud family with. The richest cities in the world are determined by their gross domestic product, or GDP. Beijing also has the dubious distinction of being the knock-off capital of the world. What is the Cost of Living in New Hampshire? Other industries which influence the economy of Boston include the biotech industry, tourism, finance services and several Fortune 500 companies. Statista. Home to both invention and innovation, animes, mangas and of course, robots, Tokyo is known as the financial center of the world. $516.5. For instance, the city of New York is a metropolitan area made up of 5 boroughs with each borough contributing to the cities overall GDP. $520.1. Liz loves the process of researching information, learning new things, and putting into words what others who share her interests might like to read. The city-state of Singapore is the wealthiest country in Asia, with a per-capita GDP of . , is also Chinas richest restaurateur the owner of Sichuan hot pot chain Haidilao is $4.2 billion richer than he was in 2019, thanks to a 53% rise in the companys stock over the past year. Show publisher information Being China's largest city, Shanghai also houses on of the world's largest ports, due to its proximity to the Yangtze River Delta. Though approximately 23% of Beijing's GDP is linked to its manufacturing sector, over 80% of the city's wealth is tied to the service sector. This city's success is due to its industrial and manufacturing activity, made up of a technology-savvy and highly skilled work force. Beijing is the capital of China and has a population of over 20 million. 11. The methodology of calculating GDP may differ between the studies and are widely based . Other Shanghai entrepreneurs are newcomers to the list, including, , who draws his wealth from express delivery firm ZTO Express, and, , whose anime and entertainment site Bilibili, an uptick in demand after it gave residents of locked down areas. Despite being significantly smaller than Los Angeles, San Francisco houses more millionaires than its southern California counterpart. The list of top 50 richest football clubs in the world ranked by Forbes have been revealed. Founded in 1630, Boston is one of our countries oldest cities. Industries that have found success in the city include food processing, manufacturing, publishing, insurance and tourism. Even though the city was riddled with the effects of the pandemic, Job growth occurred with another 5,700 jobs added. Adding to the diversity are biotech companies and information technologies. statistic alerts) please log in with your personal account. The county seat of Loudoun is in Leesburg, where most administration activities take place. Today, Boston is a center of learning with many stellar educational institutions like MIT and Harvard, which contribute greatly to Bostons economy. Rounding out the top three cities is Tokyo, with $2.5 trillion in private wealth. Pune - Oxford Of The East. 2013", "Bevolkingsontwikkeling; Regionale kerncijfers Nederland", "Bevolkingsontwikkeling; regio per maand", "Regional gross domestic product: Year ended March 2020", "2016 Census Community Profiles: Ballarat", "2016 Census Community Profiles: Bendigo", "The top 15 Indian cities by GDP | India's top 15 cities with the highest GDP - Yahoo India Finance", "Estimates of District Domestic Product Madhya Pradesh", "Federal Statistical Office Germany - GENESIS-Online", "Dossier on the Metropolitan City of Bologna", "Regionales Energiekonzept fr den Groraum Braunschweig", "Regional GDP per capita ranged from 31% to 626% of the EU average in 2017", "1.1 Valoarea produsului intern brut pe judee i regiuni", "Regional Population: Population estimates by Significant Urban Area, 2009 to 2019", "The Online Journal of McKinsey & Company", "Statistical Communiqu of Changsha City on the 2020 National Economic and Social Development", "Regional GDP per capita in the EU in 2010", "Regional economic activity by gross value added (balanced), UK: 1998 to 2017", "Yearly Average Currency Exchange Rates | Internal Revenue Service", "Population on 1 January by age groups and sex functional urban areas", "Tanzania: GDP at current prices, by region", "Dhaka, Bangladesh GDP and Income Distribution", "China: Shndng (Prefectures, Cities, Districts and Counties) - Population Statistics, Charts and Map", "Gross Domestic Product (GDP) of the Emirate of Dubai 20062008", "Bilancio demografico anno 2015 e popolazione residente al 31 dicembre; Comune: Firenze", "Posio ocupada pelos 100 maiores municpios, em relao ao Produto Interno Bruto", "Department of Statistics Malaysia Official Portal", "Gross domestic product (GDP) at current market prices by metropolitan regions", "Significant Urban Area (SUA) ASGS Edition 2016 in .csv Format", "Bilan dmographique selon le niveau gographique institutionnel", "US Dollar to British Pound Spot Exchange Rates for 2022", "2016 Census Community Profiles: Gladstone Tannum Sands", "OECD - Metropolitan areas - Population, all ages", "3218.0 Regional Population Growth, Australia, 2017-18: Population Estimates by Significant Urban Area, 2008 to 2018", "Metropolitan Employment Area (MEA) Data", "Regional GDP per capita ranged from 30% to 263% of the EU average in 2018", "Hanoi's economic growth hits 4-year high of 7.62% in 2019", "3218.0 Regional Population Growth, Australia, 2017-18: Main Features", "Report for Selected Countries and Subjects", "DocSend - Simple, intelligent, modern content sending", "Estimates of District Domestic Product of Rajasthan for 2020-21", 2015 Census Final Data " 27 | | ", "Karachi Mega-Cities Preparation Project", "Bevlkerung nach Nationalitt und Bundeslndern", "Rodikli duomen baz - Oficialiosios statistikos portalas", https://worldpopulationreview.com/countries/cities/australia%7Caccess-date=2021-05-02%7Cwebsite=worldpopulationreview.com}}, "District Domestic Product Estimates Uttar Pradesh Year 2019-20", "World Economic Outlook Database, October 2019", "Bevlkerung der Gemeinden am 31.12.2010", "Population and employment / IMSEE - Monaco IMSEE", "Mumbai 17th in global GDP list, says survey", "Mumbai and Delhi rank as 5th and 6th largest cities in Asia with a GDP of over $400 bn: JLL 'Global 300' Rankings", "District Domestic Product of Maharashtra 2011-12 to 2019-20", "Bruttoinlandsprodukt in den Metropolregionen in Deutschland 2014 | Statistik", https://web.archive.org/web/20150924002318/http://www.espon.eu/export/sites/default/Documents/Projects/ESPON2006Projects/StudiesScientificSupportProjects/UrbanFunctions/fr-1.4.3_April2007-final.pdf, "Directorate of Economics and Statistics", https://ec.europa.eu/eurostat/documents/2995521/10474907/1-05032020-AP-EN.pdf/81807e19-e4c8-2e53-c98a-933f5bf30f58&ved=2ahUKEwi-u5GHnujpAhUOuIsKHaOlDG0QFjACegQIBRAJ&usg=AOvVaw0NnWnyaFRad5NgG3NGcbJP&cshid=1591276979492, "City of Tshwane, Metropolitan Municipality 799 from Census 2011", "PIB por Entidad Federativa (PIBE) en 2019, Base 2013", European Spatial Planning Observation Network, "Gross domestic product in regions | Oficils statistikas portls", "METRO - "The role and future perspectives of Cohesion Policy in the planning of Metropolitan Areas and Cities", "IBGE: SALVADOR ocupa 22 lugar no ranking per capita do PIB/2011", "Shanghai first Chinese city to top 3 trillion yuan GDP", "3218.0 Regional Population Growth, Australia, 201718: Population Estimates by Significant Urban Area, 2008 to 2018", "Aire d'attraction des villes 2020 de Strasbourg (partie franaise) (010)", "Population, 1 January by Year, County, Sex and Age group", " ", "Tel Aviv 2022 Global Business Cities Report", "Tokelau's Gross Domestic Product determined for first time this century", Final population counts: 2016 Tokelau Census, "Popolazione Residente al 1 Gennaio 2020", "Demo-Geodemo. The cities shown in our visualization are already well-established locations for high-net-worth individuals. China retains its title as the country with the most cities in the top 10, with Shenzhen moving up one spot to No. Other profitable sectors include information technology, medical technology, retail, financial and legal sectors. Penthouses in the 30 Park Place complex are currently listed for 10 times as much. Cities may be defined as the cities proper, the extent of their urban area, or their metropolitan regions. London: 63 Billionaires Since Last Year: +7 Total Net Worth: $316.1 Billion Richest Resident: Len Blavatnik, $32 Billion Five are new billionaires from the finance industry, including private equity wizards Tony Tamer and Steven Klinsky. 3. The wealthy city-state has 31 billionaire residents, up from 22 last year, and replaces Seoul in the top 10. American retail corporation Walmart has been the world's largest company by revenue since 2014. Its wealthiest resident, Ma Huateng, chairman and CEO of Internet media behemoth Tencent Holdings, is the second-richest person in China, after Alibaba cofounder Jack Ma. Singapore has one of the highest densities of millionaire households in Asia, with over 5% of households having at least $1 million USD in net financial assets. This international city is also attractive to domestic and foreign investors alike. On a related note, there is a sizeable population of secondary homeowners in London. These four cities are home to 228 billionaires.