"Figure 4: Membership of open defined benefit schemes increased between 2017 and 2018 while that for open defined contribution schemes has increased each year since 2011","" "Active membership of private sector occupational pension scheme by status and benefit structure, UK, 2008 to 2018","" "","" "Notes","1. DB - Defined Benefit. 2. DC - Defined Contribution. " "Unit","" "","" "","DB Open","DB Closed","DC Open","DC Closed" "2008","1.1","1.5","1.0","0.1" "2009","1.0","1.3","0.9","0.1" "2010","1.0","1.1","0.9","0.1" "2011","0.9","1.1","0.8","0.1" "2012","0.6","1.1","0.9","0.1" "2013","0.6","1.0","1.1","0.1" "2014","0.6","1.0","3.1","0.1" "2015","0.6","1.0","3.9","0.1" "2016","0.5","0.8","6.3","0.1" "2017","0.5","0.6","7.6","0.1" "2018","0.7","0.4","9.8","0.1"