In public services, automatic enrolment defines programmes where citizens are automatically included unless they opt out.
Examples include:
Benefits and drawbacks
Automatic enrolment is recommended in the book Nudge by Thaler and Sunstein, as it promotes higher participation rates than when citizens are left to arrange their own pensions.
Libertarians argue against automatic enrolment as it impinges on an individual's freedom of choice.
References
Automatic enrolment Wikipedia(Text) CC BY-SA