California remains one of the world’s leading centres of private wealth creation, from the Gold Rush and Hollywood through Napa and Silicon Valley to today’s AI boom. In November 2026 voters will decide Proposition 40, a proposed one-off tax of up to 5% on residents with more than $1 billion in covered net assets (including business interests, securities and intellectual property, but generally excluding real property). View the list

Latin America remains one of the most complex regions for private wealth management, driven by economic volatility, tax reform and increasing regulatory scrutiny. Ultra-high-net-worth families are increasingly structuring assets across multiple jurisdictions, with cross-border tax planning, estate structuring and succession now standard practice.View the list

For decades, the conversation around international wealth structuring centred on offshore financial centres. Increasingly, however, sophisticated US families are also looking within the United States, with states such as South Dakota, Delaware, Wyoming, Alaska and Nevada developing highly specialised trust legislation designed to attract long term private capital. Each jurisdiction has taken a slightly different approach.View the list

Florida has become an increasingly important centre for international private wealth, with Miami in particular serving families with connections across Latin America and the United States. Citywealth’s Top Florida liat identifies the advisers working at the centre of this market, where cross border estate planning, pre immigration structuring and multigenerational wealth transfer are increasingly accompanied by greater use of US domestic trusts.View the list