NLRB Stats Archive › Annual Reports › FY1952 › Union-shop authorization cases received, closed, and pending
| Total | 53,381 | 53,381 | ||
|---|---|---|---|---|
| 1948 (Aug 22, 1947-June 30, 1948) | 26,099 | 18,691 | 26,099 | 7,408 |
| 1949 | 12,182 | 18,880 | 19,590 | 710 |
| 1950 | 6,537 | 6,256 | 7,247 | 991 |
| 1951 | 782 | 6,836 | 7,773 | 937 |
| 1952 (July 1, 1951-Oct. 22, 1951)__ | 1,781 | 2,718 | 2,718 | 0 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.