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The "factors for correction" in the above table are calculated upon the age and sex distribution
of the population actually resident in the district at the time when the last census was taken. This
population did not include persons resident in poor law institutions belonging to the district, but
situated beyond its limits. If such persons were included in the population the "factors for correction"
would in some instances be slightly modified. Dr. Allan, the medical officer of health of the Strand
District, has supplied me with the number of such persons belonging to that district. If these persons
be included in the Strand population, it is then found that the standard death-rate is 17.12, the factor
for correction 1.11857, the recorded death rate 29.2, and the corrected death-rate 32.7, the comparative
mortality figure being 1,466.
My last annual report supplied the death rates of the London population from all causes in the
year 1892 and preceding years, and the present report gives similar information for the year 1893.
But with a view to enable the vital conditions of London to be more clearly appreciated, I have included
in this report a life table based on the statistics of the decennium 1881-90. These statistics do not,
however, distinguish between the inhabitants of London who have been born within the county and
those who, having been born elsewhere, have migrated to London ; the table therefore relates to a
population of a mixed character living in London in the decennium 1881-90. This table has been
worked on Dr. Farr's short method and affords a sufficient basis for comparison of London vital
conditions in different periods.
* All death rates in;this report relating to London sanitary districts are fully corrected for institutions (see footnote †, page 6).
§ For actuarial purposes, such as the calculation of life contingencies and annuities, it is essential that a life table should be
constructed to show, out of a given number born, the number surviving at the beginning of each year of age, and the expectation of life
at each ages, but for the purpose of comparing the health conditions of different communities or of a single community at different periods,
it is sufficient to calculate the life table by a shorter method, such as has here been employed, showing the expectation of life, &c., at birth