Findmypast updates Greater London Burial Index,

There are now 1,455,836 records in the Findmypast Greater London Burial Index, now updated with an additional 279,000 records for 48 different locations across the historical county of Middlesex.
The graph shows number of burials in 20 year blocks with a peak around 1830 as churchyards became full.
342,635 burials are in London, 603,958 in Middlesex and 509,243 in Surrey.