NLRB Stats Archive › Annual Reports › FY1952 › Size of unit in decertification elections
| 1-9 | 11 20 | 10 9 | 14 3 | 0 | 0 | 0 | 9 | 122 |
|---|---|---|---|---|---|---|---|---|
| 10-19 | 19 8 | 28 6 | 1 | 10 0 | o | 15 | 20 3 | |
| 20-29 | ' 14 | 13 8 | 0 | 1 | 10 0 | 0 | 13 | 17 5 |
| 30-39 | ' 13 | 12 8 | 28 6 | 1 | 10 0 | 0 | 8 | 10 8 |
| 40-49 | 11 | 10 9 | 21 4 | 0 | 0 | 0 | 8 | 10 8 |
| 50-59 | 3 | 3 0 | 0 | 1 | 10 0 | 0 | 2 | 2 7 |
| 60-69 | 4 | 40 | 0 | 0 | o | 334 | 3 | 4 1 |
| 70-79 | 4 | 4 0 | 0 | 2 | 20 0 | 0 | 2 | 2 7 |
| 80-89 | 5 | 4 9 | 7 1 | 0 | 0 | 33 3 | 3 | 4 1 |
| 90-99 | 2 | 2 0 | 0 | o | .o | 0 | 2 | 2 7 |
| 100-149 | 4 | 4 0 | 0 | 0 | 0 | 33 3 | 3 | 4 1 |
| 150-199 | 4 | 4 0 | .o | o | o | 0 | 4 | 54 |
| 200-299 | 2 | 20 | 0 | 2 | 200 | o | o | 0 |
| 300-399 | 1 | 9 | 0 | 0 | 0 | o | 1 | 1 3 |
| 400 and over | 3 | 3 | 0 | 2 | 20 0 | . 0 | 1 | 13 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.