NLRB Stats Archive › Annual Reports › FY1956 › Types of unfair labor practices alleged
Types of unfair labor practices alleged
| Number of cases showing specific allegations | Percent of total cases | Number of cases showing specific allegations | Percent of total cases | ||
|---|---|---|---|---|---|
| A. CHARGES FILED AGAINST EMPLOYERS UNDER SEC. 8 (a) | |||||
| Total cases | 3,522 | 100 | 8 (a) (3) | 2,661 | 75.6 |
| 8 (a) (1) | 3,522 | 100 | 8 (a) (4) | 74 | 2.1 |
| 8 (a) (2) | 383 | 10.9 | 8 (a) (5) | 838 | 23.8 |
| B. CHARGES FILED AGAINST UNIONS UNDER SEC. 8 (b) | |||||
| Total cases | 1,743 | 100 | 8 (b) (3) | 97 | 5.6 |
| 8 (b) (1) | 1,072 | 61.5 | 8 (b) (4) | 572 | 32.8 |
| 8 (b) (2) | 857 | 49.2 | 8 (b) (5) | 9 | 0.5 |
| (blank CB row left; 8(b)(6) right) | 8 (b) (6) | 6 | 0.3 | ||
| C. ANALYSES OF 8 (b) (1) AND 8 (b) (4) | |||||
| Total cases 8 (b) (1) | 1,072 | 100 | Total cases 8 (b) (4) | 572 | 100 |
| 8 (b) (1) (A) | 1,054 | 98.3 | 8 (b) (4) (A) | 397 | 69.4 |
| 8 (b) (1) (B) | 22 | 2.1 | 8 (b) (4) (B) | 135 | 23.6 |
| (blank left; 8(b)(4)(C) right) | 8 (b) (4) (C) | 66 | 11.5 | ||
| (blank left; 8(b)(4)(D) right) | 8 (b) (4) (D) | 151 | 26.4 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.