The UK has around 2,000 “Isa millionaires”, sitting on pots worth an average £1,412,000, HM Revenue and Customs (HMRC) figures show.
Within the total, around 60 investors hold pots amounting to more than £3 million, according to the data obtained by InvestingReviews.co.uk.
And about 80 pots were valued at £2 million-plus.