Millennium Cohort Study


The Millennium Cohort Study (MCS) commenced in 2001 as the result of a Government decision in 1999 to mark the coming Millennium with a new birth cohort study. The MCS, which aims to chart the diversity of children's backgrounds in the UK, is a longitudinal study that follows a sample of 19,517 babies in 19,244 families born between 1 September 2000 and 31 August 2001 in England and Wales, and between 22 November 2000 and 11 January 2002 in Scotland and Northern Ireland.

Although the sample, selected through Child Benefit Records, was designed to provide a proper representation of the total population, the MCS includes an intentional over-sampling of children from disadvantaged backgrounds.

The main topics covered by the MCS are: child behaviour, parenting activities, child health, parent health, employment, income and education, housing and local area, older siblings’ leisure time activities, extra activities at school, classes outside school, home life, health, school, behaviour and perceptions of the local area.

Five surveys of the MCS cohort have been carried out to date. Full information about the history and design of the MCS may be found on the website of the Centre for Longitudinal Studies at the University of London's Institute of Education.

Spatial Coverage: 
United Kingdom
Data Creator: 
University of London, Institute of Education, Centre for Longitudinal Studies
Time Period: 

Longitudinal/panel/cohort (from 2001

Data Publisher:

UKDA Study Number: 
Data Access: 

Users must register with the UK Data Service before accessing data files. Since these data are more sensitive and/or pose a higher risk of disclosure than data made available under the standard End User Licence or under a Special Licence, they are not available for download but may be accessed through the Secure Data Service.