The restricted remit of the new Pensions Commission will limit its ability to deal with the scale of the problem, according to LCP partner and former Pensions Minister Steve Webb.
The State Pension is expected to rise next year by 4.1% under the Triple Lock guarantee.
An estimated 340,000 more pensioners will pay income tax on their State Pension next year due to the Triple Lock pushing up the State Pension above inflation.
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