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5.—Mortality (all ages).
The different rates of mortality from different diseases and
groups of diseases during 1927 (and 1926) are given in terms of the
total deaths (corrected) in Table E, which gives, also, the corrected
deaths from the chief infantile diseases, expressed in terms of the
corrected number of births, which are taken as the infantile population
(i.e., the total number of births registered and corrected by
the Registrar-General). Other tables, in the same way, deal with
mortality rates (general) at all ages per 1,000 of the estimated
population.
6.—Zymotic Death-Rates.
The zymotic death-rate is made up of the total deaths from the
seven principal zymotic diseases, viz.: smallpox, measles, scarlet
fever, diphtheria (including membranous croup), whooping cough,
"fever" (including typhus, typhoid and paratyphoid or enteric
and simple continued or ill-defined) and diarrhœa.
The total number of deaths registered within the Borough from
these diseases is 110—50 strangers belonging to other districts and
60 parishioners who died within the Borough ; whilst, in addition,
61 parishioners died from these diseases outside the Borough. Subtracting
the strangers and adding the parishioners who died outside
the Borough, there is a corrected total of 121, giving a zymotic
death-rate (corrected) of 0.4 per 1,000 inhabitants. As in the case
of general death-rates, the zymotic death-rates vary in the inner
and outer districts, viz., 0.5 in the former (congested and crowded)
as compared with 0.3 in the latter (less congested and less crowded)
per 1,000 population (vide Table D).
Taking the seven principal zymotic diseases separately, the
corrected death-rates per 1,000 of the estimated population are:—
Smallpox, 0.0; measles, 0.07; whooping cough, 0.09; scarlet
fever, 0.003; diphtheria, 0.10; "fever," 0.009; and diarrhoea,
0.10.
General and Zymotic Death-Rates.
Whilst the statistics for the infantile and child populations can
only be described as remarkable, the statistics for the population at
all ages are most satisfactory and, practically, record the lowest
mortality rates (both general and zymotic).
The general corrected death-rate for the year 1927 is 12.4 per
1,000 of the estimated population, as compared with respective
yearly averages of 18.4, 14.9, 14.9, during the decennia 1891-1900
(Parish), 1901-10 (Borough) and 1911-20 (Borough), and 12.3 during
the quinquennium 1921-25 (Borough); whilst the zymotic deathrate
(corrected) for the year 1927 is 0.39 per 1,000 of the estimated
population as compared with respective yearly averages of 2.4,1.5
and 1.1 during the same decennia, and 0.6 during the same quinquennium.
The lowest corrected death-rates ever recorded in the annals of
the Parish or the Borough are