The information requested falls within the responsibility of the UK Statistics Authority. I have asked the Authority to reply.
Letter from Jil Matheson, dated December 2009:
As National Statistician, 1 have been asked to reply to your recent question asking what the average age of mortality was (a) in 1996 and (b) at the latest date for which figures are available. (304530)
The average (mean) age at death in England and Wales was (a) 75 years in 1996 and (b) 77 years in 2008 (the latest year available).1,2
1 Figures for England and Wales include deaths of non-residents.
2 Figures are based on deaths registered in each calendar year.