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therefore lay before you a table showing the number living at
these agos per 1,000 population, which show that the same
death rates at different age periods varied in the different ten
year periods, and that therefore any deductions drawn exclusively
from the comparative death rates in the preceding table,
at different periods of life, would be misleading.

I have calculated from the Census Tables the number of persons
at different ages living in the Hackney District in the years
1851, 1861, 1871 and 1881, to ascertain the changes that have
taken place in our population as regards age during these 30
years. The table shows that at the Census of 1881 there was a
considerable excess of children under 5 years of age as compared
with 1851, and especially between 1871 and 1881, so that the
increase in the mortality at that age period in 1881-88 as
compared with other ages is fully accounted for. There was,
however, a rapid jump in 1861-70, when as shown in the last
table the death rate rose from 359 deaths per 1,000 at all ages in
1851-60, to 394 in 1861-70. This will be more fully discussed
directly. At the age period of 5-15 the numbers remained practically
unaltered, and also at 15-25 in 1871-81, but the proportion
at this age was greater than in 1851-61. The numbers remained
almost unchanged until the age period of 45-55 was reaohed,
when the number living in 1881 was much diminished, viz.:
from 87 in 1851 to 78 in 1881. The same remark applies in a
less degree to the other periods of life.