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We moved them to The National Archives website, to keep this website as responsive as possible.
Please note: all historical data is still on this website.
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This methodology guide is intended to provide information on the methods used to collect the data, process it, and calculate the statistics produced from the COVID-19 Schools Infection Survey (SIS).
Methods used to estimate the value of saltmarsh in mitigating coastal flooding in England and Wales.
Quality and methodology information for debit card spending indices derived from aggregated and anonymised Revolut cardholder data. Includes how the data are created and strengths and limitations.
Methods and data sources used to estimate coronavirus (COVID-19) hospital admissions by vaccination status in pregnant and non-pregnant women in England.
Interactive tool to help local authorities compare age-sex estimates and comparator data from Census 2021 to other areas within England and Wales.
Improvements in calculating estimates for the insurance companies and pension funds subsector. Changes to the financial and non-financial accounts resulting from methods and data source changes.
Methods used to link refugee data to various administrative data in a pilot study led by the Office for National Statistics (ONS) and the Home Office.
Proposed methodological changes to the production of travel and tourism statistics.
The methodology used to develop estimates of the health benefits gained from outdoor recreation in the UK.
Explains how missing information for identifying someone as not in education, employment or training (NEET) is appropriated based on individual characteristics.
