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To the Vestry of the parish of St. Mary,
Battersea.
Gentlemen,
The first step to be taken in calculating the birth, death, or
other rates during the year 1894, is to carefully estimate the
mean or average population for that year.
The mean population of the year 1893, for this parish, was
160,175. To this must be added the annual increase of population
which has hitherto been found to exist, and for this purpose
the known rate of increase between the two last census enumerations
is employed. This increase was at the average rate of
4,319 persons each year, so that if this number be added to the
population for 1893, an estimated mean population of 164,494
will be deduced for 1894. On this population the following
calculations are based.
As a preliminary it will be desirable to mention a few facts
relating to the Metropolis at large during 1894, as a basis of
comparison.
The estimated mean population of the Metropolis, arrived
at in a similar manner to that described above, as employed for
this parish, was 4,349,166 for the year 1894.
The births registered in London during 1894, as given by
the Registrar General in his weekly returns, numbered 130,553,
and calculated on the estimated mean population the birth rate
would be equal to 30•1 per thousand per annum.
The total number of deaths recorded in all London during
1894, was 77'039, which, calculated upon the same population,