a_pno

person number

Datafile

xwaveid

Index term

Key Linking Variable

Value label	Value	Absolute frequency	Relative frequency
missing	-9	68746	47.07%
[Value >= 0]	1	77308	52.93%
	Total	146054	100.0%

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Saved variables

What else is Understanding Society doing?

Understanding Society Wave 15

The latest wave of UKHLS is now available from the UK Data Service

10 Dec 2025

Understanding Society Wave 15 – what can data users expect?

The latest wave of data is out, so what’s included and what’s changed in this release?

10 Dec 2025

Sushi Rolls not Gender Roles by Jeanne Menjoulet

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08 Dec 2025

Photo of talk at an Understanding Society conference

Understanding Society Biosocial Conference 2026: combining biological and social data

A call for abstracts is now open - present your research at our Biosocial Conference

08 Dec 2025

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ESRC Institute for Social and Economic Research University of Essex

The Economic and Social Research Council is the primary funder of the study
The Study is led by a team at the Institute for Social and Economic Research (ISER) at the University of Essex.