Indicator

Population

Level

Source

Item

Amount of tobacco tax

N.A

UK

HM Revenues and customs

Rates and levels of tobacco duty for cigarettes and other tobacco products; revenue from tobacco duties on home produced and imported cigarettes and other tobacco products. At: https://www.uktradeinfo.com/index.cfm?task=bulltobacco

Sales of tobacco

Adult

UK

 HM Revenue and Customs

ONS

Quantities of cigarettes and other tobacco products released for consumption at: https://www.uktradeinfo.com/index.cfm?task=bulltobacco

Household final consumption expenditure (i.e. total aggregate spending) available from Consumer Trends published quarterly by ONS.
http://www.statistics.gov.uk/STATBASE/Product.asp?vlnk=242

Average weekly household expenditure on tobacco from the Expenditure and Food Survey: last survey done in 2007. http://www.statistics.gov.uk/downloads/theme_social/Family_Spending_2007/FamilySpending2008_web.pdf

Some additional analysis required to derive spend per capita, as opposed to aggregate spend or spend per household.

Economic impacts on health services (decreased cost to NHS)

While it is logical that the would be a decreased cost to the NHS we have not identified any routinely collected data which measures this indicator