Historical Data Visualization
- Trade Union Membership
- Percentage of Working Force as Member of a Trade Union
- 1880–2010
OECD iLibrary database
International Labour Organization, “UNIONS 2011: Trade Union Membership Statistics Database”
David G. Blanchflower, “A Cross-Country Study of Union Membership,” Discussion Paper Series IZA DP No. 2016, Institute for the Study of Labor, March 2006, accessed June 5, 2013
Jelle Visser, “ICTWSS: Database on Institutional Characteristics of Trade Unions, Wage Setting, State Intervention and Social Pacts in 34 countries between 1960 and 2007,” Amsterdam Institute for Advanced Labour Studies (AIAS), Version 3 - May 2011, accessed June 5, 2013
Carsten Strøby Jensen, “Trade Unionism: Differences and Similarities - A Comparative View on Europe, USA and Asia,” paper presented at IIRA-congress, June 2004, Seoul
Alejandro Donado and Klaus Walde, “How Trade Unions Increase Welfare,” The Economic Journal, 122 (September), 990-1009
G.S. Bain and R. Price, Profiles of Union Growth: A Comparative Statistical Portrait of Eight Countries. Oxford: Basil Blackwell, 1980
R. Freeman, “Spurts in Union Growth: Defining Moments and Social Processes,” in M. Bordo, C. Goldin, and E. N. White, eds., The Defining Moment: The Great Depression and the American Economy in the Twentieth Century. Chicago, IL: University of Chicago Press, 1998, pp. 265-96
J. Visser, European Trade Unions in Figures. Deventer and Boston: Kluwer Law and Taxation Publishers, 1989