Union Membership by Age Group for 11-Month and 12-Month Samples, Percent of Employees, 1983–2025

Line chart comparing union membership rates by age using 12-month (solid) and 11-month (dashed) samples from 1983 to 2025. Younger workers are shown in darker blues, older groups in lighter blues and red tones. Trends are similar across samples.

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11-month estimates exclude October data. 12-month estimates are unavailable for 2025.

Chart: Hayley BrownSource: Author's analysis of Current Population Survey Outgoing Rotation Group, 1983–2025. Get the dataEmbed Download image