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Table I.—Deals with the births and deaths of
the whole District, and the ratio to the population.
The census was taken in 1901 and was then 15,017.
For the intervening years between each census the
population has to be estimated at about the middle
of each year, and any increase of population will be
based on various more or less known factors, many
of them necessarily of merely local import. In
practice the most reliable estimate is generally found
to be that framed on the excess of births over deaths,
the number of new houses multiplied by the average
per house as determined by the census, the ratio of
unoccupied houses, and any special local reasons
there may be for inducing large or fluctuating
temporary immigrations or emigrations, such as
extensive works, etc., the latter of course not applying
to this neighbourhood. Viewed in this way, the
population, estimated to have increased from 15,017
in 1901 to 16,460m 1904, will now be taken to be
approximately 16,916, the extensive building operations
in Tolworth and Surbiton being, of course, the
main cause of this addition, which is, nevertheless,
I feel assured, well within the mark.
The total net deaths that furnish the death rate
are those that are registered as having actually
occurred in the District itself, with the addition of
those deaths occurring in public institutions outside
the District to which the sick are sent, namely, the
Union Infirmary and the County Lunatic Asylum at
Brookwood, and excluding deaths at public
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