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4
3. Extracts from Vital Statistics of the Year.
The crude birth and death rates for local areas cannot properly
be compared by reason of the fact that the populations on which they are
based may be of widely differing sex and age constitutions. Consequently
the Registrar General provides a comparability factor for each area.
When the crude rate of any area is multiplied by this factor an adjusted
rate is produced which can be used to compare with the adjusted rate of
any other area, or with the crude rate for England and Wales as a whole
(where the comparability factor is unity).
The comparability factors for Kingston-upon-Thames are
Births 0.97; Deaths 0.92.
The birth and death rates in respect of the town are shown overleaf
and for the purpose of providing some comparison the rates for England
and Wales are also shown.