NLRB Stats Archive › Annual Reports › FY1952 › Types of unfair labor practices alleged in charges filed
Types of unfair labor practices alleged in charges filed
| Number of cases showing specific allegations | Percent of total cases | |
|---|---|---|
| A. CHARGES FILED AGAINST EMPLOYERS UNDER SEC. 8(a) | ||
| Total cases | 4,306 | 100 |
| 8 (a) (1) | 4,306 | 100 |
| 8 (a) (2) | 406 | 9.4 |
| 8 (a) (3) | 2,972 | 69 |
| 8 (a) (4) | 62 | 1.4 |
| 8 (a) (5) | 1,229 | 28.5 |
| B. CHARGES FILED AGAINST UNIONS UNDER SEC. 8(b) | ||
| Total cases | 1,148 | 100 |
| 8 (b) (1) | 668 | 58.2 |
| 8 (b) (2) | 675 | 58.8 |
| 8 (b) (3) | 105 | 9.1 |
| 8 (b) (4) | 302 | 26.3 |
| 8 (b) (5) | 13 | 1.1 |
| 8 (b) (6) | 16 | 1.4 |
| C. ANALYSIS OF 8 (b) (1) AND 8 (b) (4) | ||
| Total cases 8 (b) (1) | 668 | 100 |
| 8 (b) (1) (A) | 651 | 97.4 |
| 8 (b) (1) (B) | 25 | 3.7 |
| Total cases 8 (b) (4) | 302 | 100 |
| 8 (b) (4) (A) | 189 | 62.6 |
| 8 (b) (4) (B) | 64 | 21.2 |
| 8 (b) (4) (C) | 26 | 8.6 |
| 8 (b) (4) (D) | 89 | 29.5 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.