Focusing on simple messages will be a key part of ensuring the success of auto-enrolment, pension minister Steve Webb says.
Speaking at the Marketforce Future of Long Term Savings conference Webb said employees must understand they are missing out on a pay rise by not opting into their company pension scheme.
"By not opting into a company pension scheme you are effectively missing out on your employer contribution as well as tax relief," he said.
"We had a meeting with Richard Thaler, author of Nudge, about how auto-enrolment can be communicated and as he said, you are effectively doubling your money without having to do anything."
While employees are able to opt out of auto-enrolment, Webb emphasised the importance of revisiting these employees every three years.
"It is all about how we manage the opt-out process," he said. "We have to keep nudging away and while being part of a pension may not be the right thing for someone at age 22 we will be back at age 25, 28 and 31."
Webb pointed to the fact the by next March one million people will have been auto-enrolled into a workplace pension scheme.
This will do much to halt the slide in occupational scheme membership highlighted in figures published in the Family Resources Survey.
The research said the number of working age adults contributing to a workplace pension scheme had dropped from 34% in 2002 to 28% in 2010/2011.
When discussing potential opt-out rates Webb said: "As long as the norm becomes that people are auto-enrolled into a workplace pension scheme and they stay in it then that will be great."
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