NLRB Stats Archive › Annual Reports › FY1977 › Types of unfair labor practices alleged
Types of unfair labor practices alleged
| Number of cases showing specific allegations | Percent of total cases | |
|---|---|---|
| A. Charges filed against employers under sec. 8(a) | ||
| Subsections of sec. 8(a) | ||
| Total cases | 26,105 | 100 |
| 8(a)(1) | 3,624 | 13.9 |
| 8(a)(1)(2) | 313 | 1.2 |
| 8(a)(2) | 13,238 | 50.6 |
| 8(a)(2)(3) | 186 | 0.7 |
| 8(a)(3) | 5,140 | 19.7 |
| 8(a)(3)(4) | 275 | 1.1 |
| 8(a)(4) | 8 | |
| 8(a)(5) | 136 | 0.5 |
| 8(a)(1)(2) | 604 | 2.3 |
| 8(a)(1)(2)(3) | 2,276 | 8.7 |
| 8(a)(1)(2)(4) | 19 | 0.1 |
| 8(a)(1)(2)(5) | 17 | 0.1 |
| 8(a)(1)(2)(3)(4) | 190 | 0.7 |
| 8(a)(1)(2)(3)(5) | 72 | 0.3 |
| 8(a)(1)(2)(3)(4)(5) | 25 | 0.1 |
| 8(a)(1) | 26,105 | 100 |
| 8(a)(2) | 954 | 3.7 |
| 8(a)(3) | 16,697 | 64 |
| 8(a)(4) | 531 | 2 |
| 8(a)(5) | 7,848 | 30.1 |
| B. Charges filed against unions under sec. 8(b) | ||
| Subsections of sec. 8(b) | ||
| Total cases | 11,553 | 100 |
| 8(b)(1) | 6,329 | 55 |
| 8(b)(2) | 208 | 1.8 |
| 8(b)(3) | 581 | 5 |
| 8(b)(4) | 2,128 | 18.5 |
| 8(b)(5) | 12 | 0.1 |
| 8(b)(6) | 20 | 0.2 |
| 8(b)(7) | 449 | 3.9 |
| 8(b)(1)(2) | 1,455 | 12.6 |
| 8(b)(1)(3) | 237 | 2.1 |
| 8(b)(1)(4) | 11 | 0.1 |
| 8(b)(1)(6) | 10 | 0.1 |
| 8(b)(1)(7) | 21 | 0.2 |
| 8(b)(2)(3) | 3 | |
| 8(b)(2)(4) | 1 | |
| 8(b)(3)(4) | 1 | |
| 8(b)(1)(2)(3) | 50 | 0.4 |
| 8(b)(1)(2)(4) | 5 | |
| 8(b)(1)(3)(4) | 3 | |
| 8(b)(1)(2)(3)(4) | 3 | |
| 8(b)(1) | 8,109 | 70.3 |
| 8(b)(2) | 1,749 | 15.2 |
| 8(b)(3) | 900 | 7.8 |
| 8(b)(4) | 2,128 | 18.5 |
| 8(b)(5) | 38 | 0.1 |
| 8(b)(6) | 37 | 0.3 |
| 8(b)(7) | 449 | 3.9 |
| B1 Analysis of 8(b)(4) | ||
| Total cases 8(b)(4) | 2,128 | 100 |
| 8(b)(4)(A) | 82 | 3.9 |
| 8(b)(4)(B) | 1,508 | 71.1 |
| 8(b)(4)(C) | 7 | 0.3 |
| 8(b)(4)(A)(B) | 391 | 18.4 |
| 8(b)(4)(A)(C) | 26 | 1.2 |
| 8(b)(4)(B)(C) | 2 | 0.1 |
| 8(b)(4)(A)(B)(C) | 21 | 1 |
| 8(b)(4)(A) | 131 | 6.2 |
| 8(b)(4)(B) | 1,646 | 77.3 |
| 8(b)(4)(C) | 56 | 2.6 |
| 8(b)(4)(D) | 391 | 18.4 |
| B2 Analysis of 8(b)(7) | ||
| Total cases 8(b)(7) | 449 | 100 |
| 8(b)(7)(A) | 81 | 18 |
| 8(b)(7)(B) | 23 | 5.1 |
| 8(b)(7)(C) | 344 | 76.7 |
| 8(b)(7)(B)(C) | 1 | |
| 8(b)(7)(A) | 82 | 18.3 |
| 8(b)(7)(B) | 23 | 5.1 |
| 8(b)(7)(C) | 345 | 76.8 |
| C. Charges filed under sec. 8(e) | ||
| Total cases 8(e) | 122 | 100 |
| Against unions alone | 118 | 96.8 |
| Against employers alone | 2 | 1.6 |
| Against unions and employers | 2 | 1.6 |
| D. Charges filed under sec. 8(g) | ||
| Total cases 8(g) | 12 | 100 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.