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Lewis Hine

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The Spread of Child Labor

Year Child workers, aged 10-14

Child labor as % of total workforce

1870 765,000 5.92

1880 1,118,000 6.43

1890 1,504,000 6.50

1900 1,750,000 6.02

1910 1,622,000 4.34

1920 1,417,000 3.34

1930 667,000 1.37

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