Collection National Survey for Wales: background information Details about how the survey is developed and carried out. Part of: Government administration (Sub-topic) First published: 4 February 2019 Last updated: 1 February 2024 Background Questionnaires 7 January 2026 Background Technical information 27 August 2025 Background Development work 26 October 2022 Background Cognitive testing 15 January 2026 Background User feedback 17 July 2017 Background Datasets 29 August 2025 Background Privacy notice 7 July 2021 Guidance Related National Survey for Wales