Over 5,000 ISA Millionaires as 2026 ISA Contribution Deadline Approaches
Thursday, March 5, 2026
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In 2023, more than 5,000 individuals had amassed ISA pots worth over £1 million, according to data obtained by money app Plum through a Freedom of Information request to HM Revenue and Customs (HMRC). This milestone highlights the growing number of savers benefiting from tax-free wealth accumulation through ISAs.
HMRC’s data revealed that by April 2023, approximately 5,070 ISA holders had pots exceeding £1 million. Additionally, in the 2022-23 tax year, 1,240 ISA investors had accounts valued between £950,000 and £999,999, while another 1,530 held pots worth £900,000 to £949,999.