Law of Population 



8 9 



the birth-rate in that proportion in which its decline has 

 failed to equal the death-rate. 



In Sweden and Norway the continuous stream of 

 emigration to the United States has been mainly the 

 elevating factor in the birth-rate. As the annual 

 reports of the Registrar-General go no further back in 

 the case of Norway than 1871, the period of thirty- 

 three years, 1871-1903, is divided into four parts, the 

 first three consisting of eight years, and the fourth of 

 nine years. 



Norway. 



V Sweden. 



The Swedish table begins with the decade 1854-63, 

 which preceded that in which the tide of emigration 

 began to flow, which has prevailed ever since in Sweden. 



