Number of ISA millionaires hits all-time high of nearly 5,000

Plum FOI request

Sorin Dojan
clock • 1 min read

The number of millionaires owning an individual savings account (ISA) reached a record high of 4,850 in 2023, a Freedom of Information request submitted by smart money app Plum has found.

In the latest annual data obtained by Plum, the number of ISA millionaires tracked by HM Revenue & Customs rose by around 20% from 2022's figure of 4,070, and marked an 11-fold increase from just 450 in 2016. As a result, the average ISA millionaire now owns a pot of roughly £1.3m. However, according to Plum, the top 25 ISA investors sit on pots averaging more than six times that figure, namely £8.8m. Autumn Budget 24: ISA regime left untouched despite financial services agenda pledge "ISA millionaire wealth continues to grow, even as other savings and investment products lose a li...

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