Stefan Westerberg stated that the tax-free threshold for Investment Savings Accounts (ISK) and capital insurance will double from 150,000 kronor to 300,000 kronor, benefiting many of the over four million ISK investors despite a higher effective tax rate.The Swedish Tax Agency estimates that 1.17 million account holders had more than 300,000 kronor in ISK, with average accounts at 617,973 kronor.The reform will cost around 7 billion kronor annually and forms part of measures to encourage saving, as detailed in last year's autumn budget.