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9
existence. The average proportion during the last
ten years has been about 17 per cent., and in all
England it is just 18 per cent., and in France it is
rather more than 21 per cent. The infant mortality
in the City, therefore, although large, is not in
excess of the common proportion elsewhere, and it
is much below the mortality in France.
One of the most striking facts in the table of
deaths according to age, is the increase in the mortality
of persons at from 55 to 75 years of age.
In the preceding ten years, with nearly the same
total mortality at all ages, the annual number of
deaths among persons at from 55 to 65 years
of age has been but 289, whereas in the last year
it was 815; and at from 65 to 75 the number
has advanced from 282 to 292. This increase has
been almost entirely among males; and the mortality
at the first ages has been 57 per 1,000 of the
living, and at the last 110. In former years the
mortality of males in the City at from 55 to 65
years of age has been only 48 per 1,000, and at
from 65 to 75, 99 per 1,000 In all England the
death-rate at these ages is 32 per 1,000, and 66;
and in France it is but 29 and 65: so that the
strain upon a City life is very unmistakably manifested
at the ages of from 55 to 75. It would
seem too, from the gradual increase in the mortality
at these ages, that the strain is becoming more