Survey Evolution - Understanding Society

1991

The British Household Panel Survey

The British Household Panel Survey (BHPS) began with a sample of 5500 households in Great Britain

1999

The Scottish boost sample

The Scottish boost sample of 1500 households was added

1999

The Welsh boost sample

The Welsh boost sample of 1500 households was added

2001

Northern Irish boost

Northern Irish boost sample of 2000 households was added

2009

Understanding Society (2009–2010)

Understanding Society (UK Household Longitudinal Study-UKHLS) began with the General Population Sample (GPS) of 26,000 households from the UK (including England, Scotland, Wales and Northern Ireland)

2009

Ethnic Minority Boost (2009–2010)

The Ethnic Minority Boost Sample (EMBS) of around 4000 households was added

2010

BHPS respondents

The BHPS respondents who chose to join UKHLS were added

2010

Health and biomarker data (2010–2012)

Blood samples were given by 13,500 participants. Other measures were also collected including blood pressure, weight, height, waist measurement, body fat, grip strength and lung function.

2015

Immigration and Ethnicity Boost Sample

A further 2500 households were added to form the Immigration and Ethnicity Boost Sample (IEMBS)

2016

BHPS and UKHLS harmonised

BHPS and UKHLS harmonised across all waves

2022

A General Population Sample boost (2022–2023)

A General Population Sample boost (GPS2) of 5800 households from the UK was added

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