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78 mortality in childhood.
Mortality at Ages under One Year.
Infantile Mortality.
Owing to the changes which have been introduced within recent years in the methods of
correcting the returns of births and deaths, it is necessary, with a view to the preservation of the
continuity of the records, to submit three rates of infantile mortality, viz.:—
Crude rates, based on the numbers of births and deaths registered locally without any
corrections for births or deaths of non-residents within the Borough, or for the like belonging to
the Borough but occurring in outlying areas;
Nett rates, derived from the births corrected by the exclusion of children born to nonresident
parents, and the deaths corrected by the exclusion of those of non-residents, and the
inclusion of those of residents of the Borough taking place in outlying Metropolitan districts; and
Corrected rates, calculated from births and deaths completely corrected for transfers (births
and deaths) both outwards and inwards.
Last year 342 deaths at ages under one year were registered within the Borough, including
66 of non-resident children. In 1912 the corresponding numbers were 326 and 57 respectively.
The crude rate of infantile mortality was 120 per 1,000 births for the whole year, ranging from a
minimum of 83 in the second quarter to a maximum of 155 in the first. In comparison with
1912 (see below), the rates observed last year in the first and third quarters show increases, but
in comparison with the quinquennial average (1908-12), the only rate which is materially higher
is that of the third quarter.

The nett mortality was 109 per 1,000 births for the whole year, an increase of 2 per 1,000
above the rate recorded in 1912, but 7 below the average. (See below.) In comparison with the
previous year the rates recorded last year in the first and third quarters show increases, but if
compared with the averages, the first quarter's rate (1913) is the only one which is higher.

The corrected rate for the year was 101 per 1,000 births, as compared with 99 in 1912 and
an average of 107. (Table 43.) The rate for males (115) was lower than the corresponding
rates observed in 1912 and in the five years 1908-12. Among females the rate was 86 last
year, showing a slight increase above that recorded in 1912, but 9 per 1,000 less than the average.
The actual number of deaths at ages under one year are given in Table II., Appendix, and the
causes of death (at each month of life, distinguishing the sexes) in Table X.
The rate of mortality for the whole County, deduced from data given in the Quarterly
Reports of the Registrar-General, was 104 per 1,000 births last year, or 14 per 1,000 higher than the
rate observed in 1912 (90), but 4 less than the average (108). Below are the corresponding rates
for the districts circumjacent to the Borough. The maximum rate (188) occurred in Kensington,
and the minimum (77) in Hampstead. It will be seen that in Kensington, Westminster, and
Hampstead the rates observed last year exceeded their respective averages. In the Report for
the Fourth Quarter of the year a table was included (Table XXII.)giving the fully corrected rates
recorded during the past year in the Metropolitan Cities and Boroughs. Those of the circumjacent
Boroughs are given on the opposite page. The highest rate recorded in any Borough
was that of Shoreditch (155 per 1,000) and the lowest that of Hampstead (73).