NLRB Stats Archive › Annual Reports › FY1959 › Size of units in collective-bargaining and decertification elections
| Total | 5,428 | 100 0 | 2,302 | 100 0 | 1,108 | 100 0 | 2,018 | o |
|---|---|---|---|---|---|---|---|---|
| 1-9 | 1,131 | 20 8 | 416 | 18 1 | 355 | 32 0 | 360 | 17 9 |
| 10-19 | 1,171 | 21 6 | 495 | 21 5 | 249 | 22 5 | 427 | 21 1 |
| 20-29 | 710 | 13 1 | 325 | 14 1 | 124 | 11 2 | 261 | 12 9 |
| 30-39 | 468 | 86 | 211 | 92 | 70 | 179 | 89 | |
| 40-49 | 283 | 5.2 | 139 | 60 | 40 | 36 | 104 | 6 2 |
| 50-59 | 231 | 43 | 102 | 44 | 33 | 30 | 96 | 48 |
| 60-69 | 195 | 36 | 84 | 37 | 33 | 30 | 78 | 3.9 |
| 70-79 | 144 | 2.7 | 68 | 30 | 31 | 28 | 45 | 22 |
| 80-89 | 119 | 22 | 43 | 19 | 23 | 21 | 53 | 26 |
| 90-99 | 94 | L7 | 47 | 20 | 17 | 15 | 30 | 15 |
| 100-149 | 286 | 5.3 | 120 | 52 | 41 | 37 | 125 | 62 |
| 150-199 | 163 | 30 | 71 | 31 | 15 | 13 | 77 | 38 |
| 200-299 | 174 | 32 | 74 | 32 | 28 | 25 | 72 | 26 |
| 300-399 | 87 | 16 | 32 | 14 | 16 | 14 | 39 | 19 |
| 400-499 | 53 | 10 | 23 | 10 | 6 | 5 | 24 | 1,2 |
| 500-599 | 29 | 5 | 16 | 7 | 3 | 3 | 10 | 5 |
| 600-799 | 28 | 5 | 10 | 4 | 4 | 4 | 14 | 0.7 |
| 800-999 | 17 | 3 | 9 | 0.4 | 1 | 1 | 7 | 3 |
| 1,000-1,999 | 29 | 5 | 14 | 6 | 5 | 5 | 10 | 5 |
| 2,000-2,999 | 10 | 2 | 2 | 0.1 | 3 | 3 | 5 | 0.2 |
| 3,000-3,999 | 2 1 | (I) | 0 | |||||
| 5,000-9,999 | . 0 | |||||||
| 4,000-4,999 | 3 | 1 | .o | 2 | 2 | 0.1 | ||
| 10,000 and over | 0 | .o | .o | 0 | 0 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.