Trends in NLRB elections and win rates
| Period | Total elections | Elections won | Employees eligible to vote | Win rate | Share of nonagricultural private wage-and-salary employment | |||
|---|---|---|---|---|---|---|---|---|
| Eligible voters | Workers in election victories | |||||||
| Total | Elections won | Elections | Voters | |||||
| 1951–1960 | 5,155 | 3,410 | 517,277 | 354,649 | 65.8% | 66.7% | 1.21% | 0.83% |
| 1961–1970 | 7,071 | 4,165 | 523,710 | 285,857 | 58.8% | 54.5% | 1.01% | 0.56% |
| 1971–1980 | 7,712 | 3,944 | 502,785 | 202,082 | 51.1% | 39.9% | 0.78% | 0.32% |
| 1981–1990 | 3,782 | 1,828 | 231,810 | 88,075 | 48.6% | 38.4% | 0.29% | 0.11% |
| 1991–2000 | 3,002 | 1,513 | 204,816 | 83,753 | 50.4% | 40.7% | 0.21% | 0.09% |
| 2001–2009 | 2,044 | 1,209 | 140,837 | 69,867 | 59.9% | 51.9% | 0.13% | 0.06% |
Source: Authors' analysis of National Labor Relations Board (NLRB) data and Bureau of Labor Statistics household employment data. See appendix for details.