For more information on data sources see:

Department for Environment, Food and Rural Affairs (DEFRA)

http://www.defra.gov.uk

Family Expenditure Survey (FES)

http://www.statistics.gov.uk/ssd/surveys/family_expenditure_survey.asp

Family Food Panel

http://www.tnagh.com/uk/industryexpertise/consumer/family_food_panel.cfm?country=uk

Labour Force Survey

http://www.statistics.gov.uk/ssd/surveys/labour_force_survey.asp

National Food Survey

http://www.statistics.gov.uk/ssd/surveys/national_food_survey.asp