100 



30 



"" 20 

 _i 

 < 

 D 10 



Z 



I o 



10 20 



AGE IN YEARS 



30 



40 



50 



60 



70 



80 



Fig. 1. — Annual rate of mortality per 1,000 by sex: United States, 1939-41. 



20 



30 



40 



50 



60 



70 



90 



100 



Fig. 2. — Number of survivors out of 100,000 born alive, for each race by 

 sex: United States, 1939-41. 



