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1928
6
of its significance, or to co-ordinate any fresh evidence which
might on analysis have proved to afford with the basic material
and considerations to which the estimates as a whole are bound
to conform.
These circumstances led the Registrar General to suggest
that any statistical data which the Council may wish to bring to
his notice on the present occasion as affording evidence of population
movement between the area of the Council and other parts
of the country might be communicated to his department at an
early date.
Provided the other conditions have remained fairly
constant, the number of houses erected and occupied since the
census is one of the best standards by which an estimated
population can be judged. Between the Census of 1911 and that
of 1921 there was an increase of 810 inhabited dwellings in the
district and the increase in the population in the same period was
3,776. The actual increase was greater because the Census was
taken in the middle of June, 1921 and not as is usual in the
beginning of April. Some holiday movement was already in
progress at the time of the Census and the Registrar General
from figures at his disposal made certain adjustments in the
population of certain districts. The adjusted figure for Acton
was 62,000. Since April 1st, 1921, the following dwelling houses
and flats have been erected here.
Year ending March 31st, 1922 140
„ 1923 126
„ 1924 99
„ 1925 241
„ 1926 304
„ 1927 431
,, 1928 322
Between April 1st, 1928 and December 31st, 1928, the
number was 196. Since the Census the number of houses built
is more than twice that which was built in the intercensal
period of 1911—1921. It is probable that the average
number of persons living in each house is not appreciably
lower than it was at the Census. With a falling birth
rate the average size of the family is smaller, but this is
counteracted by a growing tendency to sub-let houses and even
flats. Although there was an increase of only 810 in the number
of houses erected and occupied between 1911 and 1921, there was
an increase in the same period in the number of private families
of 2,012.
The number of houses erected is probably a fair standard
of 'estimating the population. The other available data are the
lists of voters in the Parliamentary Register. In the autumn of