The documentation relating to the ASHE-PAYE and ASHE-Self Assessment datasets are now available. These useful guides will help you to navigate and utilize the newest WED datasets effectively. If you’re a researcher who is, or is planning to make use of the ASHE-HMRC linked data, there is lots of information available to you. Click here to find out why the WED Project’s Principle Investigator Damian Whittard is excited about this new linkage, or click here to be inspired by the power of administrative data. And if you haven’t already, join us on the WED Knowledge Hub, our peer-to-peer knowledge sharing community platform, where you can ask questions of your fellow ASHE data users. Click on the panels to view each of the files.

This Data Explained summarises experiences and learning from working with the Annual Survey of Hours and Earnings linked to Pay-As-You-Earn and Self-Assessment Data – England, Scotland, and Wales (ASHE-PAYE-SA) dataset.

This Data Insight explores the number of
jobs and the earnings that employees
receive over the course of a year.

This Data Insight presents new evidence on the size of the gender pay gap in Great Britain.

This document introduces the HMRC datasets, and provides useful information such as details of the cleaning and data construction processes.

Here you can find the list of PAYE variables.


Here you can find the list of self assessment variables.

Here you can find the master metadata excel file relating to both the PAYE and Self Assessment data.

This document describes how the PAYE panel is created.

This document provides a useful guide to understanding HMRC reference numbers.