NLRB Stats Archive › Annual Reports › FY1947 › Elections and cross checks — by number of unions participating
| Elections and cross checks | Elections and cross checks | Eligible voters | Eligible voters | Eligible voters | |
|---|---|---|---|---|---|
| Number | Percent of total | Number | Percent of total | Percent casting valid votes | |
| 1 union | 5,442 | 78.7 | 450,199 | 48.2 | 86.1 |
| 2 unions | 1,406 | 20.3 | 456,116 | 48.8 | 86.3 |
| 3 or more unions | 72 | 1 | 28,238 | 3 | 85.3 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.