Baroness Altmann said that there was "so much misconception" around the flat-rate state pension, and admitted the changes were "mis-sold".
The Department for Work and Pensions (DWP) has been criticised for spending more than £8.5m on a campaign to promote awareness of auto-enrolment.
Retirement guidance still not up to scratch
Freedom and choice could become the "next big mis-selling scandal" unless support offered to retirees is improved, warns a powerful group of MPs.
The government has been urged to scrap tax and national insurance relief on retirement savings and replace pensions with ‘ISA warehouses' in a radical shake up.
The pensions minister has unveiled a major communications drive to broaden the public's understanding of the state pension to be introduced next April.
The state pension age is set to rise much more quickly than anticipated warns Malcolm McLean, as statistics show life expectancy has increased rapidly over the last century.
The government has published a 26-point fact sheet outlining the transitional arrangements for people who have been contracted-out in the past.
Industry figures have warned the green paper on pensions tax relief published last week is "not a genuine consultation" as the government has already decided on the outcome.
Pensions minister Baroness Ros Altmann has pledged to ‘clear up' confusion over the new state pension.