NLRB Stats Archive › Annual Reports › FY1957 › Size of units in collective-bargaining and decertification elections
Size of units in collective-bargaining and decertification elections
| Size of unit (number of employees) | Number of elections | Percent of total | Elections in which representation rights were won by — AFL-CIO affiliates | Elections in which representation rights were won by — AFL-CIO affiliates | Elections in which representation rights were won by — Unaffiliated unions | Elections in which representation rights were won by — Unaffiliated unions | Elections in which no representative was chosen | Elections in which no representative was chosen |
|---|---|---|---|---|---|---|---|---|
| Size of unit (number of employees) | Number of elections | Percent of total | Number | Percent | Number | Percent | Number | Percent |
| A. COLLECTIVE-BARGAINING ELECTIONS | ||||||||
| Total | 4,729 | 100 | 2,619 | 100 | 323 | 100 | 1,787 | 100 |
| 1-9 | 801 | 16.9 | 519 | 19.8 | 50 | 15.5 | 232 | 13 |
| 10-19 | 907 | 19.2 | 566 | 21.6 | 54 | 16.7 | 287 | 16.1 |
| 20-29 | 604 | 12.8 | 339 | 12.9 | 40 | 12.4 | 225 | 12.6 |
| 30-39 | 444 | 9.4 | 245 | 9.4 | 33 | 10.2 | 166 | 9.3 |
| Additional size bins (40-49 through 10,000 and over) | ||||||||
| B. DECERTIFICATION ELECTIONS | ||||||||
| Total (B section) | 145 | 100 | 44 | 100 | 2 | 100 | 99 | 100 |
| 1-9 (B section) | 30 | 20.7 | 2 | 4.5 | 0 | 0 | 28 | 28.3 |
| Additional decertification size bins (10-19 through 400 and over) |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.