Children aged 10 to 15 Engaged in Gainful Occupations   | 
  |||
Total Number  | 
    Number  Employed   | 
      Percent Employed   | 
  |
| 1880 | 6,649,483   | 
    1,118,356  | 
    16.8  | 
  
| 1890 | 8,322,373  | 
    1,503,77I   | 
    18.1  | 
  
| 1900 | 9,613,252  | 
    1,750,178  | 
    18.2  | 
  
| 1910 | 10,828,365  | 
    1,990,225  | 
    18.4  | 
  
| 1920 | 12,502,582  | 
    1,060,858  | 
       8.5  | 
  
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