Whereby it follows—

1. That though each marriage in London produces fewer people than in the

country, yet London in general having a greater proportion of breeders,

is more prolific than the other great towns, and the great towns are more

prolific than the country.

2. That if the people of London of all ages were as long-lived as those

in the country, London would increase in people much faster _pro rata_

than the country.

3. That the reasons why each marriage in London produces fewer children

than the country marriages seem to be—

(1) From the more frequent fornications and adulteries.

(2) From a greater luxury and intemperance.

(3) From a greater intentness on business.

(4) From the unhealthfulness of the coal smoke.

(5) From a greater inequality of age between the husbands and wives.

(6) From the husbands and wives not living so long as in the country.

He further observes, accounting the people to be 5,500,000, that the said

five millions and a half (including the transitory people and vagrants)

appear by the assessments on marriages, births, and burials, to bear the

following proportions in relation to males and females, and other

distinctions of the people, viz.:—

Essays on Mankind and Political Arithmetic · 第 68 / 72 题