Trade union density

Trade union density corresponds to the ratio of wage and salary earners that are trade union members, divided by the total number of wage and salary earners (OECD Labour Force Statistics). Density is calculated using survey data, wherever possible, and administrative data adjusted for non-active and self-employed members otherwise. Data are expressed in percentages and presented from 1980.

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Keywords: employee union, statistics, employee density, self-employed, trade union, salary earner ratio, labour force, trade union members