Social security 67 Labor supply 60 Labor unions 46 Employment 44 Economic aspects 41 Labor 40 Industrial relations 37 more ... Wages 35 Manpower policy 33 Working class 33 Economic policy 29 Economic conditions 28 Employees 27 Statistics 27 Labor market 26 Labor laws and legislation, International 25 Women 24 Labor laws and legislation 23 Agricultural laborers 22 Social aspects 22 Unemployed 22 International business enterprises 21 Child labor 20 Hours of labor 19 Merchant mariners 19 Agriculture 18 Occupational training 17 Travail 16 Full employment policies 14 Social conditions 14 less ...