We have prepared a technical note, which you can download in Word format or PDF format with more details about the data sources and analytical methodology used to develop the segmentation. This covers both the update to the segment profiles in 2011 and the original segmentation exercise undertaken in 2008.

Answers to some frequent technical enquiries are also included in the FAQs.

If you have any other questions about the technical aspects of the research please email us.

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Technical note

Technical note