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12
In 1882 it was 52 56 years.
„ 1883 „ 55.09 „
„ 1884 „ 53.78 „
„ 1885 „ 56.11 „
So that the mean duration of life in this Parish during
those 11 years has averaged just 51½ years.
The mean duration of life in London during the last 8
years has been, according to my calculations, as follows:—
In 1878 it was 34.24 years.
„ 1879 „ 34.23 „
„ 1880 „ 35.17 „
„ 1881 „ 35.87 „
„ 1882 „ 36.82 „
„ 1883 „ 37.88 „
,, 1884 ,, 38.08 „
„ 1885 „ 39.29 „
It therefore appears that the mean duration of life in
this Parish has increased by about 9½ years since 1875,
and that in London by about 5 years since 1879. The
steady and continual increase of the mean duration of
life in London, as shown by the above figures, is very
remarkable, and although the increase in this Parish is not
so steady it is unmistakable. There can be no doubt that
the steady diminution of the death-rates, the most important
cause of the increased mean duration of life, is very largely
due to improved sanitary conditions.