NLRB Stats Archive › Annual Reports › FY1948 › Union authorization elections and votes cast — by participating union

Union authorization elections and votes cast — by participating union

source page 118 · nlrb1948_p0118_t1

Participating unions	Number of elections	Number of elections — A.F. of L. affiliates authorized	Number of elections — A.F. of L. affiliates authorized	Number of elections — C.I.O. affiliates authorized	Number of elections — C.I.O. affiliates authorized	Number of elections — Unaffiliated authorized	Number of elections — Unaffiliated authorized	Number of elections — No union authorized	Number of elections — No union authorized	Eligible voters	Eligible voters	Total valid votes cast	Valid votes cast for union shop — A.F. of L. affiliates	Valid votes cast for union shop — A.F. of L. affiliates	Valid votes cast for union shop — C.I.O. affiliates	Valid votes cast for union shop — C.I.O. affiliates	Valid votes cast for union shop — Unaffiliated unions	Valid votes cast for union shop — Unaffiliated unions	Valid votes cast against union shop
		Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent casting valid votes		Number	Percent	Number	Percent	Number	Percent	Number
Total	17,958	12,820	71.3	2,312	12.9	2,469	13.7	357	2	1,852,333	88	1,629,330	538,665	51.3	476,358	29.2	220,017	13.5	94,350
A.F. of L. affiliates	12,892	12,820	99.4					72	0.6	933,608		838,055	476,358	94.3
C.I.O. affiliates	2,338			2,312	98.9			26	1.1
Unaffiliated unions	2,528					2,469	97.7	59	2.3								220,017	98.3

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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.