High-net-worth collectors - statistics & facts

Key insights

Number of ultra-high-net worth individuals in the United States
225k
Country with the most billionaires worldwide
United States
Investment of passion with the highest increase in popularity in Europe
Art

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Current statistics on this topic

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High-net-worth individuals

  • Number of ultra high net worth individuals worldwide 2023, by region
  • Ultra high net worth individuals 2023, by country
  • Top 20 billionaire countries 2025
  • Leading billionaire cities 2025

Investments of passion

  • Investments of passion becoming more popular among UHNWIs in North America 2023
  • Investments of passion becoming more popular among UHNWIs in Europe 2023
  • Investments of passion UHNWIs are likely to purchase Australasia 2023, by type

Price indices of collector items

  • Knight Frank Luxury Investment Index: price change of global assets of passion 2023
  • AMR All Art Index: price index of artworks sold at auction worldwide 1978-2025
  • Fancy Color Diamond Index: price index of fancy color diamonds worldwide 2024-2025
  • Rare Whisky Icon 100 Index: price index of rare whisky sold in the UK 2012-2024
  • Liv-ex Fine Wine: price indices of fine wines sold worldwide 2024
  • Historic Automobile Group International: price indices of historic cars globally 2025

Art collectors

  • Value of the UHNWI art and collectible wealth worldwide 2022-2026, by region
  • Share of affluent individuals buying art and collectibles worldwide 2025, by region
  • Share of affluent individuals buying art and collectibles worldwide 2025, by age
  • Share of works held in HNW art collections globally H1 2024, by medium
  • Leading channels used by HNW art collectors to purchase art worldwide H1 2024
  • Median expenditure of HNW collectors on art worldwide 2022-H1 2024, by market
  • Median spending of HNW collectors on digital art H1 2024, by generation
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