Bibliography
In addition to internal market data from the Sotheby’s International Realty brand and its affiliates, this report cites the following data sources and articles:
Welcome
1. “Outperforming” claim based on Sotheby’s International Realty’s 2025 performance versus Sotheby’s International Realty’s 2024 performance, which resulted in an 8.7% increase. In comparison, NAR’s overall 2025 market performance versus NAR’s overall 2024 market performance resulted in a 2.9% increase. NAR’s market performance based on report: “NAR: Existing-Home Sales,” released September 2024 and September 2025
2. “Delta Predicts Premium Seat Sales to Overtake Economy as Soon as 2026,” The Wall Street Journal, October 8, 2025
3. “Aurora Capital nabs buyer for $88M penthouse at 140 Jane Street,” The Real Deal, August 8, 2025
Endurance Test
1. “Seven Figures Is Not What It Used to Be - Luxury Now Starts at $1.3 Million,” Realtor.com®, September 30, 2025
2. “Rates Remain Near 2025 Lows,” Freddie Mac, November 6, 2025
3. “Consumer Price Index Summary,” U.S. Bureau of Labor Statistics, October 24, 2025
4. “Home Sales to Jump Nearly 10% in 2026, Forecasters Say,” Real Estate News, September 23, 2025
5. “How to Invest Your Enormous Inheritance,” The Economist, June 12, 2025
6. “Top 10 Trends to Watch in 2025,” Cerulli Associates, Q1 2025
7. “What Wealthy Parents Need to Know About Giving Real Estate to Their Kids,” CNBC, August 23, 2025
8. “Inheriting Is Becoming Nearly as Important as Working,” The Economist, February 27, 2025
9. “Miami Beach’s Most Expensive Penthouse Just Sold in America’s Largest-Known Cryptocurrency Real Estate Deal,” Forbes, June 7, 2021
10. “Dubai’s Blueprint for Real Estate Future: Digitalization and Crypto in the World’s Most Luxurious Market,” Forbes, February 24, 2025
11. “Crypto Mortgages Are the New Way to Buy Second Homes,” Realtor.com®, June 26, 2025
12. “Joint Statement from the Chairman of the SEC and Acting Chairman of the CFTC,” U.S. Securities and Exchange Commission, September 5, 2025
13. “Fannie Mae, Freddie Mac Ordered to Consider Crypto as an Asset When Buying Mortgages,” AP News, June 25, 2025
14. “Want to Buy a House With Crypto? Here’s What to Expect,” Yahoo Finance, August 5, 2025
15. “Gemini Survey Finds More Than Half of Gen Z Owns Crypto,” Gemini, January 25, 2025
16. “America’s Most Expensive ZIP Codes,” Realtor.com®, August 19, 2025
17. “Most Expensive Home in America Hits the Market at $300 Million,” Forbes, August 28, 2025
18. “Duty Free Americas Chairman Asks $65 Million for Puerto Rico Mansion,” The Wall Street Journal, October 21, 2025
19. “International Transactions in U.S. Residential Real Estate,” National Association of REALTORS®, July 14, 2025
20. “2025 Global Travel Trends Report,” American Express Travel®, March 2025
21. “Properties Worth More Than £2m in England Face Mansion Tax.” BBC, November 26, 2025
22. “The Return of New Zealand’s ‘Golden Visa’ Comes at an Opportune Moment for Foreign Home Buyers,” Mansion Global, September 12, 2025
23. “Housing Market Outlook: Brighter Days to Come—National Mortgage Professional,” National Association of REALTORS®, June 12, 2025
Prime Numbers
1. “The Top Cities Where the Ultrawealthy Are Buying Second Homes in 2025—and It’s Not Just London or New York,” Business Insider, August 9, 2025
2. “The Threat of Deflation Stalks Asia’s Economies,” The Economist, September 1, 2025
3. “Federal Reserve Issues FOMC Statement,” U.S. Federal Reserve press release, December 10, 2025
4. “MBA Forecast Commentary: September 2025,” Mortgage Bankers Association, September 2025
5. “2025 Home Buyers and Sellers Generational Trends Report,” National Association of REALTORS®, April 1, 2025
6. “Wealthy Investors from U.S., China and Hong Kong Top Applications for New Zealand’s ‘Golden Visa’ Scheme,” The Guardian, September 24, 2025
Inventory Returns
1. Homes Hits Highest Level Since 2009,” Scripps News, October 16, 2025
2. “Amid a Pandemic and a Recession, Americans Go on a Near-Record Homebuying Spree,” Pew Research Center, March 8, 2021
3. “Across Europe, the Financial Sector Has Pushed Up House Prices. It’s a Political Timebomb,” The Guardian, July 7, 2025
4. “August 2025 Monthly Housing Market Trends Report,” Realtor.com®, September 8, 2025
5.“What Are Branded Residences and Who’s Buying Them?” Yahoo Finance, July 9, 2025
6. “Housing Inventory: Active Listing Count in the United States,” Federal Reserve Bank of St. Louis, July 31, 2025
7. “As Inventory Rises, Home Buyers Are Seeing Opportunity,” National Association of REALTORS®, August 21, 2025
8. “NAR Existing-Home Sales Report Shows 0.2% Decrease in August,” National Association of REALTORS®, September 25, 2025
9. “The U.S. Housing Divide: Top 10 Seller’s Markets and 10 Where Buyers Have the Upper Hand,” MarketWatch, August 24, 2025
10. “Market Update, All Houston, Q3 2025,” Martha Turner Sotheby’s International Realty, October 10, 2025
11. “Memorial Villages Single Family Homes, Q3 2025,” Martha Turner Sotheby’s International Realty, October 10, 2025
12. “Briargrove Park Single Family Homes, Q3 2025,” Martha Turner Sotheby’s International Realty, October 10, 2025
13. “A View from the Cayman Islands,” 80 Degrees Today, May 7, 2025
14. “Turks and Caicos Real Estate —2nd Quarter 2025 YTD Comparison Market Report,” Turks & Caicos Sotheby’s International Realty, July 15, 2025
15. “House Price Index—4th Quarter 2024,” Instituto Nacional de Estatística (Statistics Portugal), March 21, 2025
16.“Four Seasons Announces New Standalone Private Residences in Washington, D.C.,” Four Seasons press release, March 20, 2025
Game On
1. “The Paris 2024 Games in Numbers,” City of Paris official website, October 9, 2024
2. “FIFA World Cup Qatar 2022™ in Numbers,” FIFA™, January 2023
3. “The Olympic Effect,” National Bureau of Economic Research, April 2009
4. “The Price of Victory: The Impact of the Olympic Games on Residential Real Estate Markets,” Urban Studies, April 2012
5. “The Olympics and Economics 2012,” Goldman Sachs, July 2012
6. “The Causal Economic Effects of Olympic Games on Host Regions,” WIFO (Austrian Institute of Economic Research) Working Papers, January 24, 2020
7. “Olympic House Prices Boom Fails to Get Out of the Blocks,” The Guardian, March 13, 2012
8. “House Prices in Olympic Districts Soar 45% Since 2005,” The Telegraph, July 27, 2013
9. “Paris and Milan, Olympics Effect on House Prices,” Il Sole 24 Ore, July 22, 2024
10. “The Effects of the 2014 World Cup in Real Estate Market in Rio de Janeiro and São Paulo,” International Proceedings of Economics Development and Research, March 2014
11. “The Winner of the World Cup Is Often the Host Nation’s Real Estate Market,” Mansion Global, December 18, 2022
12. “Rio’s $700 Million Athletes Village Was Turned into Luxury Condos but Is Now Reportedly ‘Shuttered’ and 93% Vacant,” Business Insider, July 18, 2017
13. “The Money Behind the Most Expensive World Cup in History: Qatar 2022 by the Numbers,” Forbes, November 19, 2022
14. “Thousands of Workers Evicted in Qatar’s Capital Ahead of World Cup,” Reuters, October 29, 2022
15. “Qatar’s Residential Property Market Analysis,” Global Property Guide, June 30, 2025
16. “The Research on Post-Olympics Economic Downturn Effects,” International Academic Workshop on Social Sciences, October 2013
17. “House Prices and Real Interest Rates in Spain,” Banco de España (Bank of Spain), October 30, 2006
18. “Newham in East London Has Steepest House Price Rises of the Century,” The Guardian, December 28, 2019
19. “Foreign-Buyer Numbers Rising Steadily: PropStats,” Property Professional, February 10, 2015
20. “Olympic Games: ‘Poorly Spent Money’ Delivers Property Price Spikes,” Australian Property Investor, July 28, 2023
21. “Olympics Puts Spotlight on Tokyo Property Market,” Housing Japan, July 20, 2021
22.“Hosting the 2026 FIFA World Cup™ Could Create More Than $5 Billion in Economic Activity for North America,” Soccer Forward Foundation, February 8, 2018
23. “The 2026 FIFA World Cup Final’s Influence on Real Estate in NJ and NY,” Blueprint (New York University Schack Institute of Real Estate), March 26, 2024
24. “Arlington Prepares for Global Spotlight as 2026 FIFA World Cup Approaches,” CBS News, June 12, 2025
25. “These New Hotels Are Redefining the Dolomites, Just in Time for the 2026 Winter Olympics,” Vogue, July 29, 2025
26. “Queen’s Wharf Brisbane,” Queensland Government State Development, Infrastructure and Planning, December 14, 2024
27. “Brisbane to Get New Stadium for 2032 Olympic Games,” ESPN, March 24, 2025
Multigenerational Living
1. Sellers Generational Trends Report,” National Association of REALTORS®, April 2025
2. “Family Matters: Multigenerational Living Is On the Rise and Here To Stay,” Generations United®, July 2021
3. “One Big Happy Household: How Families and the Data Are Shaping Multigenerational Living,” National Association of REALTORS®, May 27, 2025
4. “Voices of Affluence: The First UHNWI Survey on Greek Luxury Real Estate,” Greece Sotheby’s International Realty, 2025
Private Lives
1. The State of Safety in America 2025,” Safewise, July 2, 2025
2. “10 Surprising Home Burglary Facts and Stats,” Safewise, August 12, 2025
3. “Security—Worldwide,” Statista, July 2025
4. “Smart Security Cameras—Worldwide,” Statista, July 2025
5. “Global Bespoke Safe Rooms and Panic Rooms Market Research Report 2025,” Valuates, June 2025
Discover how these trends may impact your city.
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