NLRB Stats Archive › Annual Reports › FY1979 › 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 | 29,026 | 100 |
| 8(a)(1) | 5,193 | 17.9 |
| 8(a)(2) | 364 | 1.3 |
| 8(a)(3) | 13,496 | 46.6 |
| 8(a)(4) | 245 | 0.8 |
| 8(a)(5) | 5,860 | 20.2 |
| 8(a)(1)(2)(3) | 250 | 0.9 |
| 8(a)(1)(2)(4) | 8 | 0 |
| 8(a)(1)(2)(5) | 113 | 0.4 |
| 8(a)(1)(3)(4) | 680 | 2.3 |
| 8(a)(1)(3)(5) | 2,509 | 8.6 |
| 8(a)(1)(4)(5) | 14 | 0 |
| 8(a)(1)(2)(3)(4) | 26 | 0.1 |
| 8(a)(1)(2)(3)(5) | 142 | 0.5 |
| 8(a)(1)(2)(4)(5) | 3 | 0 |
| 8(a)(1)(3)(4)(5) | 74 | 0.3 |
| 8(a)(1)(2)(3)(4)(5) | 33 | 0.1 |
| A | ||
| 8(a)(1) | 29,026 | 100 |
| 8(a)(2) | 949 | 3.3 |
| 8(a)(3) | 17,220 | 59.3 |
| 8(a)(4) | 1,083 | 3.7 |
| 8(a)(5) | 8,754 | 30.2 |
| B. Charges filed against unions under sec 8(b) — Subsections of sec. 8(b) | ||
| Total cases | 12,055 | 100 |
| 8(b)(1) | 6,729 | 56.1 |
| 8(b)(2) | 189 | 1.6 |
| 8(b)(3) | 559 | 4.6 |
| 8(b)(4) | 2,368 | 19.6 |
| 8(b)(5) | 14 | 0.1 |
| 8(b)(6) | 18 | 0.1 |
| 8(b)(7) | 530 | 4.4 |
| 8(b)(1)(2) | 1,302 | 10.8 |
| 8(b)(1)(3) | 232 | 1.9 |
| 8(b)(1)(4) | 11 | 0.1 |
| 8(b)(1)(5) | 8 | 0.1 |
| 8(b)(2)(3) | 6 | 0 |
| 8(b)(2)(4) | 1 | 0 |
| 8(b)(3)(4) | 63 | 0.5 |
| 8(b)(3)(5) | 15 | 0.1 |
| 8(b)(1)(2)(3) | 2 | 0 |
| 8(b)(1)(2)(5) | 3 | 0.1 |
| B | ||
| 8(b)(1) | 8,366 | 69.4 |
| 8(b)(2) | 1,578 | 13.1 |
| 8(b)(3) | 869 | 7.2 |
| 8(b)(4) | 2,368 | 19.6 |
| 8(b)(5) | 45 | 0.4 |
| 8(b)(6) | 32 | 0.3 |
| 8(b)(7) | 530 | 4.4 |
| B1. Analysis of 8(b)(4) | ||
| Total cases 8(b)(4) | 2,368 | 100 |
| 8(b)(4)(A) | 126 | 5.3 |
| 8(b)(4)(B) | 1,734 | 73.3 |
| 8(b)(4)(C) | 10 | 0.4 |
| 8(b)(4)(D) | 421 | 17.8 |
| 8(b)(4)(A)(B) | 72 | 3 |
| 8(b)(4)(A)(C) | 4 | 0.2 |
| 8(b)(4)(A)(B)(C) | 1 | 0 |
| B1 | ||
| 8(b)(4)(A) | 199 | 8.4 |
| 8(b)(4)(B) | 1,811 | 76.5 |
| 8(b)(4)(C) | 15 | 0.6 |
| 8(b)(4)(D) | 421 | 17.8 |
| B2. Analysis of 8(b)(7) | ||
| Total cases 8(b)(7) | 530 | 100 |
| 8(b)(7)(A) | 119 | 22.5 |
| 8(b)(7)(B) | 33 | 6.2 |
| 8(b)(7)(C) | 370 | 69.8 |
| 8(b)(7)(A)(B) | 2 | 0.4 |
| 8(b)(7)(A)(C) | 5 | 0.9 |
| 8(b)(7)(A)(B)(C) | 1 | 0.2 |
| B2 | ||
| 8(b)(7)(A) | 127 | 24 |
| 8(b)(7)(B) | 36 | 6.8 |
| 8(b)(7)(C) | 376 | 70.9 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.