NLRB Stats Archive › Annual Reports › FY1949 › Geographic distribution of unfair labor practice, representation, and union-authorization cases received
Geographic distribution of unfair labor practice, representation, and union-authorization cases received
| Division and State | All cases | Unfair labor practice cases — CA | Unfair labor practice cases — CB | Unfair labor practice cases — CC | Unfair labor practice cases — CD | Representation cases — RC | Representation cases — RM | Representation cases — RD | Union-shop authorization cases |
|---|---|---|---|---|---|---|---|---|---|
| East North Central — total | 6,036 | 804 | 122 | 30 | 12 | 1,662 | 92 | 96 | 3,218 |
| Ohio | 1,018 | 216 | 27 | 6 | 1 | 501 | 18 | 24 | 725 |
| Indiana | 835 | 120 | 21 | 6 | 1 | 231 | 22 | 10 | 422 |
| Illinois | 1,735 | 224 | 42 | 12 | 5 | 452 | 26 | 37 | 937 |
| Michigan | 1,946 | 199 | 23 | 4 | 5 | 323 | 8 | 12 | 1,712 |
| Wisconsin | 601 | 43 | 9 | 2 | 155 | 18 | 13 | 422 | |
| West North Central — total | 2,895 | 300 | 22 | 9 | 5 | 852 | 45 | 22 | 1,553 |
| Iowa | 194 | 31 | 0 | 0 | 0 | 96 | 4 | 2 | 67 |
| Minnesota | 536 | 29 | 4 | 1 | 1 | 131 | 8 | 8 | 354 |
| Missouri | 1,747 | 209 | 18 | 8 | 3 | 462 | 18 | 10 | 1,019 |
| North Dakota | 20 | 0 | 0 | 0 | 0 | 9 | 4 | 0 | 7 |
| South Dakota | 12 | 0 | 0 | 0 | 0 | 11 | 1 | 0 | 0 |
| Nebraska | 109 | 23 | 0 | 0 | 0 | 48 | 4 | 1 | 33 |
| Kansas | 279 | 36 | 0 | 0 | 0 | 104 | 1 | 1 | 73 |
| South Atlantic — total | 1,666 | 462 | 48 | 15 | 1 | 565 | 35 | 43 | 497 |
| East South Central — total | 903 | 210 | 26 | 13 | 0 | 379 | 12 | 20 | 243 |
| West South Central — total | 1,157 | 315 | 31 | 18 | 6 | 458 | 20 | 29 | 280 |
| Mountain — total | 981 | 109 | 18 | 19 | 2 | 305 | 25 | 6 | 497 |
| Pacific — total | 4,587 | 594 | 212 | 56 | 20 | 1,090 | 112 | 76 | 2,427 |
| Outlying areas — total | 349 | 127 | 21 | 3 | 1 | 93 | 4 | 2 | |
| Nation-wide |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.