UBS: Stock Market Gains Minted Nearly 1 Million New Millionaires in 2025 as Global Wealth Rose 10.8%

Global personal wealth climbed 10.8% in 2025, the largest annual gain since 2017, according to a new report from UBS. The surge produced a tangible threshold effect: stock market appreciation alone generated nearly one million new millionaires over the course of the year.

The Scale of the Advance

The 10.8% increase is the headline figure buy-side allocators will reach for first. UBS identified it as the sharpest rise in global personal wealth in eight years — the prior comparable year being 2017, itself a period defined by broad equity gains and synchronized global expansion. That 2025 matched that pace points to how consequential last year's equity run was for household balance sheets at scale, not just at the margins.

The millionaire-formation number reinforces the point. Crossing a seven-figure threshold is a meaningful portfolio milestone, and generating close to one million new entrants to that cohort in a single calendar year reflects the breadth of equity market gains, not merely their magnitude.

Equities as the Decisive Variable

UBS attributed the millionaire-creation directly to stock market gains, making equity allocation the primary driver of 2025 wealth accumulation. The read for portfolio allocators is clean: households with meaningful equity exposure — regardless of geography — saw materially larger balance sheet expansion than those concentrated in cash or fixed income. The report does not specify which markets contributed most to the aggregate, but a 10.8% global headline suggests the gains were wide enough to move the composite figure well above recent annual norms.

Why This Figure Will Travel

UBS's annual wealth survey is among the more closely watched tallies of global household balance sheets. A 10.8% gain at the top line, combined with the near-million millionaire figure, is the kind of datapoint that will circulate across asset manager presentations, financial planning models, and policy discussions around wealth concentration.

The more durable signal may be directional: when equities advance at this pace, the documented wealth effect is large enough to register in consumer sentiment, spending capacity, and — if 2017 is any precedent — in the subsequent thinking of central bankers watching household net worth accumulate.