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28
EAST BATTEBSEA.
An essential preliminary in a report relating to the
sanitary condition of the sub-district is to estimate the
population upon which the various rates are to be
calculated. During the latter years of the last decade,
1871—81, this was a matter of some difficulty to
determine, as the official population employed by the
Registrar General was much smaller than the estimated
population deduced from the number of births, thus
unduly over estimating both the birth and death rates.
The census proved the almost absolute correctness of the
estimated population. It is however not probable that
descrepancies so great can again occur, and it may be
readily demonstrated that the numbers now arrived at
by both the methods give almost identical results.
The population of the sub-distrirt by the official method
of computation for the year 1885 was 66,654, being
2,948 more than that of the preceding year, a not
excessive estimate of increase, the natural increase by
the surplus of births over deaths being 1,415, as is
shewn in Table I., the latter being equal to a rate of
21.2 per thousand.

N.B.—The birth and death rates for 1876—9 are based upon the estimated mean
population, the correctness of which was proved by the census of 1881,