Useful Links

The availability of accurate and reliable data is an essential part of effective policy, strategy and report writing and helps efficient service planning and delivery.

Follow the links below to some of the most used and reliable data sources and providers.


Data source

Type of data


Population, safety, health, education, etc. A free-to-use service that allows visitors to view, manipulate, create and download tables from the most detailed official data on Wales.


(Office for National Statistics)

Various – includes national and regional data sets.


Nomis is a service provided by the Office for National Statistics to give free access to the most detailed and up-to-date UK labour market statistics from official sources.

Infobase Cymru

Provided by Data Unit Wales, quick and easy access to a range of data locally and nationally on Wales.

Welsh Government

Various, also links to Welsh Index of Multiple Deprivation.

Welsh Health Survey

The survey provides information on health status, illnesses, lifestyle, health service use and children.

Health Map Wales

An interactive tool that can be used to explore a variety of health indicators grouped under broad categories, such as cancer, common procedures and causes of injury.


Pulls together the information to plan what care services might be required in your local area in the future.

Police data

Enter a postcode, town or street name onto the webpage to get street-level crime and outcomes maps and data.

Wales Migration Portal

The Wales Migration Portal brings together publicly available data in one place via an online data tool. It provides users with a range of migration data and contextual information, bilingually in table and map