NLRB Stats Archive › Annual Reports › FY1951 › Types of unfair labor practices alleged in charges filed
Types of unfair labor practices alleged in charges filed
| Section / Subsection | Number of cases showing specific allegations | Percent of total | Section / Subsection | Number of cases showing specific allegations | Percent of total | |
|---|---|---|---|---|---|---|
| A. CHARGES FILED AGAINST EMPLOYERS UNDER SEC. 8(a) | ||||||
| Total cases | 4,164 | 100 | 8(a)(3) | 2,899 | 69.6 | |
| 8(a)(1) | 4,164 | 100 | 8(a)(4) | 68 | 1.6 | |
| 8(a)(2) | 489 | 11.7 | 8(a)(5) | 1,235 | 29.7 | |
| B. CHARGES FILED AGAINST UNIONS UNDER SEC. 8(b) | ||||||
| Total cases | 1,097 | 8(b)(4) | 239 | 21.8 | ||
| 8(b)(1) | 625 | 57 | 8(b)(5) | 18 | 1.6 | |
| 8(b)(2) | 669 | 61 | 8(b)(6) | 21 | 1.9 | |
| 8(b)(3) | 123 | 11.2 | ||||
| C. ANALYSIS OF 8(b)(1) AND 8(b)(4) | ||||||
| Total cases 8(b)(1) | 625 | 100 | Total cases 8(b)(4) | 239 | 100 | |
| 8(b)(1)(A) | 609 | 97.4 | 8(b)(4)(A) | 143 | 59.8 | |
| 8(b)(1)(B) | 25 | 4 | 8(b)(4)(B) | 60 | 25.1 | |
| 8(b)(4)(C) | 8(b)(4)(C) | 22 | 9.2 | |||
| 8(b)(4)(D) | 8(b)(4)(D) | 72 | 30.1 |
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Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.