NLRB Stats Archive › Annual Reports › FY1972 › 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 | 17,733 | 100 |
| 8(a)(1) | 1,831 | 10.3 |
| 8(a)(2) | 328 | 1.9 |
| 8(a)(3) | 8,964 | 50.5 |
| 8(a)(4) | 228 | 1.3 |
| 8(a)(5) | 4,225 | 23.8 |
| 8(a)(1)(2) | 201 | 1.1 |
| 8(a)(1)(3) | 3 | |
| 8(a)(1)(4) | 88 | 0.5 |
| 8(a)(1)(5) | 291 | 1.6 |
| 8(a)(2)(3) | 1,531 | 8.6 |
| 8(a)(2)(5) | 6 | |
| 8(a)(3)(4) | 10 | 0.1 |
| 8(a)(3)(5) | 112 | 0.6 |
| 8(a)(1)(2)(3) | 5 | |
| 8(a)(1)(2)(5) | 6 | |
| 8(a)(1)(3)(4) | 36 | 0.2 |
| 8(a)(1)(3)(5) | 19 | 0.1 |
| 8(a)(1)(2)(3)(4)(5) | ||
| 8(a)(1) | 17,733 | 100 |
| 8(a)(2) | 766 | 4.3 |
| 8(a)(3) | 11,164 | 63 |
| 8(a)(4) | 452 | 2.5 |
| 8(a)(5) | 6,023 | 34 |
| B. Charges filed against unions under Sec. 8(b) | ||
| Subsections of Sec. 8(b): | ||
| Total cases | 9,030 | 100 |
| 8(b)(1) | 3,522 | 39 |
| 8(b)(2) | 228 | 2.5 |
| 8(b)(3) | 353 | 4.3 |
| 8(b)(4) | 2,596 | 28.7 |
| 8(b)(5) | 7 | 0.1 |
| 8(b)(6) | 14 | 0.2 |
| 8(b)(7) | 449 | 5 |
| 8(b)(1)(2) | 1,572 | 17.4 |
| 8(b)(1)(3) | 165 | 1.8 |
| 8(b)(1)(4) | 1 | |
| 8(b)(1)(5) | 3 | |
| 8(b)(1)(6) | ||
| 8(b)(1)(7) | 2 | |
| 8(b)(2)(3) | 2 | |
| 8(b)(2)(5) | 2 | |
| 8(b)(3)(5) | 62 | 0.7 |
| 8(b)(1)(2)(3) | 1 | |
| 8(b)(1)(2)(5) | 1 | |
| 8(b)(1)(3)(5) | 1 | |
| 8(b)(1) | 5,340 | 59.1 |
| 8(b)(2) | 1,882 | 20.8 |
| Continued | ||
| 8(b)(3) | 622 | 6.9 |
| 8(b)(4) | 2,596 | 28.7 |
| 8(b)(5) | 26 | 0.3 |
| 8(b)(6) | 22 | 0.2 |
| 8(b)(7) | 449 | 5 |
| B1. Analysis of 8(b)(4) | ||
| Total cases 8(b)(4) | 2,596 | 100 |
| 8(b)(4)(A) | 64 | 2.5 |
| 8(b)(4)(B) | 1,806 | 69.5 |
| 8(b)(4)(C) | 8 | 0.3 |
| 8(b)(4)(D) | 626 | 28 |
| 8(b)(4)(A)(B) | 59 | 2.3 |
| 8(b)(4)(A)(C) | 2 | 0.1 |
| 8(b)(4)(B)(C) | 6 | 0.2 |
| 8(b)(4)(A)(B)(C) | 2 | 0.1 |
| 8(b)(4)(A) | 127 | 4.9 |
| 8(b)(4)(B) | 1,873 | 72.1 |
| 8(b)(4)(C) | 18 | 0.7 |
| 8(b)(4)(D) | 649 | 25 |
| B2. Analysis of 8(b)(7) | ||
| Total cases 8(b)(7) | 449 | 100 |
| 8(b)(7)(A) | 137 | 30.5 |
| 8(b)(7)(B) | 16 | 3.6 |
| 8(b)(7)(C) | 291 | 64.9 |
| 8(b)(7)(A)(B) | 4 | 0.2 |
| 8(b)(7)(A)(C) | 1 | 0.2 |
| 8(b)(7)(B)(C) | 1 | 0.2 |
| 8(b)(7)(A) | 141 | 31.4 |
| 8(b)(7)(B) | 19 | 4.2 |
| 8(b)(7)(C) | 293 | 65.7 |
| C. Charges filed under Sec. 8(e) | ||
| Total cases | 88 | 100 |
| Against unions alone | 65 | 76.5 |
| Against employers alone | 3 | 3.5 |
| Against unions and employers | 18 | 20 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.