Mr. Worcester on Longevity. 39 
5,052,262, there were under 10 years 1,347,045, a little more than 
=: under 20 years, 2,073,288, a little less than 24. In Sweden, 
according to the census. of 1815, in a population of 2,465,066, 
there were under 15 years, 778,647, less than = By comparing 
the numbers of the several ages in the population of England and 
the United States, as given in the above tables [pp. 34 and 
35] we find the following proportions of the different classes, 
to the whole population :— 
England—Under 10, less than}; under 20, less than; under 30, less 
‘than 2; upwards of 50, less than 3. 
United States—Under 10, less than 1; under 16, less than 1; under 26 
more than 2; upwards of 45, less than 2. 
The tables are so dissimilar, with regard to ages, as not to admit 
of an accurate comparison; but it will be readily seen from the 
view here given, that the proportion of persons in the early stages 
of life in the United States, is much greater than in England, or 
in either of the other countries enumerated. Had the comparison 
been made with regard to the Western and Southern States, to 
the exclusion of the rest, the difference would have been still 
greater; for in those states more than half of the inhabitants are 
under the age of 16 years. 
Another striking difference between the population of the 
United States and that of countries in Europe, relates to the 
proportion of the sexes. It is a well established fact, that in all 
countries where accurate observations have been made, there are 
more males born than females ; in Europe, the proportion is sta- 
ted as 21 to 20, or 26 to 25. The mortality also is greater 
among males in childhood, as well as in subsequent periods of 
life, computed te be in the proportion nearly as 27 to 26. Hence it 
