BCS70 Age 30 survey (1999-2000)

The BCS70 Age 30 survey took place between 1999 and 2000.


11,261 cohort members took part in total.


A 60 minute face-to-face interview comprising a CAPI (Computer-Assisted Personal Interview) and a CASI paper self-completion questionnaire. 

More information about the coverage of each element of the survey and the downloadable questionnaires are provided here. A full description of the design of the Age 30 survey is provided here.


The data are available from the UK Data Service.  Guidance on how to use the data is provided here.


Fieldwork was funded by the Economic and Social Research Council (ESRC) and Government departments under the coordination of the Office for National Statistics: Department for Education and Employment (the major funder), Department of Health, Department of Social Security, the Home Office, ONS themselves, the Scottish Office and the Basic Skills Agency.

Fast facts:

  • Survey age: Age 30
  • Survey year: 1999 and 2000
  • Response: 11,261
  • UK Data Service reference code: 5558
  • PI: Jane Elliott, IOE
  • Fieldwork agency: NatCen
  • Funder: ESRC