NLRB Stats Archive › Annual Reports › FY1952 › Size of unit in collective bargaining elections
| I.-9 | 1,486 | 0 | 933 | - 30-3- | --tor | -11-8- | ----61 | ---13. | 328 | 17 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 10-19 | 1,196 | 17 7 | 623 | 20 3 | 188 | 13.5 | 76 | 164 | 309 | 169 |
| 20-29 | 812 | 12 0 | 360 | 11 7 | 175 | 12 6 | 53 | 11 4 | 224 | 122 |
| 30-39 | 545 | 80 | 237 | 7 7 | 120 | 86 | 37 | 80 | 151 | 82 |
| 10-49 | 395 | 58 | 152 | 4 9 | 100 | 7 2 | 21 | 4 5 | 122 | 6 7 |
| 50-59 | 293 | 4 3 | 122 | 4 0 | 83 | 60 | 15 | 32 | 73 | 40 |
| 50-69 | 232 | 34 | 85 | 28 | 62 | 4 5 | 15 | 32 | 70 | 3 8 |
| 70-79 | 171 | 2.5 | 52 | 1 7 | 50 | 3 6 | 17 | 3 7 | 52 | 28 |
| 30-89 | 141 | 21 | 44 | 14 | 41 | 29 | 10 | 22 | 46 | 25 |
| 10-99 | 133 | 20 | 41 | 1 3 | 42 | 3 0 | 12 | 2 6 | 38 | 2.1 |
| 1.00-149 | 445 | 6 6 | 148 | 4 8 | 117 | 8 4 | 39 | 8 4 | 141 | 7.7 |
| 150-199 | 211 | 3 1 | 71 | 2.3 | 59 | 4 2 | 16 | 3 5 | 65 | 3 6 |
| 200-299 | 263 | 39 | 73 | 24 | 74 | 5 3 | 29 | 6 3 | 87 | 4.7 |
| 300-399 | 122 | 1 8 | 38 | 1.2 | 29 | 2 1 | 12 | 2 6 | 43 | 2 3 |
| 100-499 | 95 | 1 4 | 29 | 0.9 | 26 | 1 9 | 15 | 3.2 | 25 | 1.4 |
| 500-599 | 39 | 0.6 | 7 | 0.2 | 13 | 0.9 | 4 | 0.9 | 15 | 0.8 |
| 600-799 | 47 | 0.7 | 14 | 5 | 16 | 1 1 | 7 | 1 5 | 10 | 0.5 |
| 800-999 | 38 | 0.6 | 14 | 5 | 6 | 4 | 8 | 1 7 | 10 | 5 |
| 1,000-1,995 | 53 | 8 | 18 | 0.6 | 16 | 1 1 | 7 | 1 5 | 12 | 0.7 |
| 2,000-2,999 | 26 | 0.4 | 8 | 0.3 | 5 | 4 | 4 | 9 | 9 | 5 |
| 3,000-3,999 | 6 | 1 | 1 | (I) | 3 | 2 | 1 | 0.2 | 1 | 0.1 |
| 4,000-4,999 | 7 | 1 | 3 | 0.1 | 2 | 0.1 | 2 | 0.4 | 0 | .o |
| 5,000-9,999 | 2 | (0 | ' 0 | .o | o | o | 1 | 0.2 | 1 | 0.1 |
| 10,000-14,999 | 4 | 1 | 2 | 0.1 | 1 | 1 | 1 | 0.2 | 0 | 0 |
| 15,000-20,000__ ___ | 3 | (I) | 0 | 0 | 2 | 0.1 | 1 | 0.2 | 0 | 0 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.