270 



Of the total population, 20,149,800 are males, and 20,903,800 females, 

 tbe ratio of the sexes being as 100 to 103.8. The proportion of individ- 

 uals of the "productive" and "uou-productive" ages is as follows: 



The average annual number of marriages, births, and deaths, during 

 eighteen years, in Prussia, Austria, England, and France, were as fol- 

 lows : 



The population has doubled in fifty years, and has increased 150 per 

 cent, in eighty years, though depleted by emigration at an accelerating 

 rate during the past and current generation. About 2,700,000 have 

 settled in the United States, including 133,141 in 1873. 



The percentages of married, single, widowed, and divorced were as 

 follows: 



