NLRB Stats Archive › Annual Reports › FY1958 › Types of unfair labor practices alleged
Types of unfair labor practices alleged
| Charge subsection | Number of cases showing specific allegations — Left | Percent of total cases — Left | Charge subsection | Number of cases showing specific allegations — Right | Percent of total cases — Right | |
|---|---|---|---|---|---|---|
| A. CHARGES FILED AGAINST EMPLOYERS UNDER SEC 8(a) — Section heading | ||||||
| Total cases / 8(a)(3) | 6,068 | 100 | 8 (a) (3) | 4,649 | 76.6 | |
| 8(a)(1) / 8(a)(4) | 6,068 | 100 | 8 (a) (4) | 116 | 1.9 | |
| 8(a)(2) / 8(a)(5) | 706 | 11.6 | 8 (a) (5) | 1,039 | 17.1 | |
| B. CHARGES FILED AGAINST UNIONS UNDER SEC 8(b) — Section heading | ||||||
| Total cases / 8(b)(3) | 3,192 | 100 | 8 (b) (3) | 211 | 6.6 | |
| 8(b)(1) / 8(b)(4) | 2,214 | 69.4 | 8 (b) (4) | 719 | 22.5 | |
| 8(b)(2) / 8(b)(5) | 1,952 | 61.2 | 8 (b) (5) | 69 | 2.2 | |
| (spacer) / 8(b)(6) | 8 (b) (6) | 17 | 0.5 | |||
| C. ANALYSIS OF 8(b)(1) AND 8(b)(4) — Section heading | ||||||
| Total cases 8(b)(1) / Total cases 8(b)(4) | 2,214 | 100 | Total cases 8(b)(4) | 719 | 100 | |
| 8(b)(1)(A) / 8(b)(4)(A) | 2,183 | 98.6 | 8 (b) (4) (A) | 494 | 68.7 | |
| 8(b)(1)(B) / 8(b)(4)(B) | 42 | 1.9 | 8 (b) (4) (B) | 203 | 28.2 | |
| (spacer) / 8(b)(4)(C) | 8 (b) (4) (C) | 28 | 3.9 | |||
| (spacer) / 8(b)(4)(D) | 8 (b) (4) (D) | 192 | 26.7 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.