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We moved them to The National Archives website, to keep this website as responsive as possible.
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A comparison of the different types of population estimate that are published on the ONS website or planned for future publication. Includes information about whether these are official estimates of the population or used only for wider research, as well as the sources, coverage and main uses and comparability issues for the estimate.
Administrative data sources and quality assurance in the production of admin-based long-term international migration estimates published in bi-annual releases.
Response rates, sample size and quality assessment of the Office for National Statistics quarterly Labour Force Survey.
Quality and methodology information for regional consumer card spending data 2019 to 2023 derived from aggregated and anonymised Visa card spending data.
Quality and Methodology Information for experimental estimates of UK quarterly greenhouse gas emissions, detailing methods used, data it provides, and strengths and limitations
Quality and Methodology Information for Profitability of UK companies: data strengths and limitations, methods, and data uses and users.
Planned data collection and methodological improvements to address quality concerns with Labour Force Survey estimates.
Known quality information affecting sexual orientation and gender identity data from Census 2021 in England and Wales to help users correctly interpret the statistics.
Experimental statistics exploring how foreign direct investment into UK companies moves through different regions to reach its final recipient.
Quality information affecting Welsh language data from Census 2021 to help correctly interpret them.