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We moved them to The National Archives website, to keep this website as responsive as possible.
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Quality and methodology information for interregional trade in goods and services, UK. It includes strengths and limitations, methods, and data uses and users. These are official statistics in development.
Action plan to address Office for Statistics Regulation (OSR) recommendations for improving the quality of police recorded crime statistics in England and Wales.
Quality and Methodology Information (QMI) for the Health Insight Survey (HIS), including the strengths and limitations of the data, methods, and data uses.
Quality and methodology information (QMI) report for sexual orientation, detailing the strengths and limitations of the data, methods used, and data uses and users.
The data sources and methodology used to produce migration assumptions in the 2022-based national population projections.
Methodology on the comparison of national population projections from 1971 to 2022 with population estimates, births, long-term international migration, and deaths, including measures of error.
The variant projections, a range of scenarios with alternative demographic assumptions, used in the 2022-based national population projections.
Quality and methodology information for national population projections, detailing the strengths and limitations of the data, methods used and data uses and users.
Information on the data, methods and assumption setting process used to produce the 2022-based national population projections.
The data sources and methodology used to produce fertility assumptions in the 2022-based national population projections.