Second Tier Pension Provision provides the latest estimates on contracted out pension scheme and SERPS/S2P membership since the introduction of contracted out schemes in 1978/79 published by the Department for Work and Pensions (DWP).
https://www.gov.uk/government/collections/national-insurance-contributions-statistics
Source agency: Work and Pensions
Designation: National Statistics
Language: English
Alternative title: STPP
