|
US Private Sector Trade Union
Membership: 1900-1997 |
| Year |
Union Members
(000) |
Market
Share |
| 1900 |
917 |
6.5% |
| 1905 |
1,923 |
11.1% |
| 1910 |
2,109 |
10.5% |
| 1915 |
2,508 |
12.2% |
| 1920 |
4,664 |
19.2% |
| 1925 |
3,495 |
13.2% |
| 1930 |
3,482 |
13.3% |
| 1935 |
3,337 |
14.2% |
| 1940 |
6,848 |
24.3% |
| 1945 |
11,674 |
33.9% |
| 1950 |
13,550 |
34.6% |
| 1955 |
15,341 |
35.1% |
| 1960 |
16,907 |
37.0% |
| 1965 |
16,906 |
33.5% |
| 1970 |
18,295 |
31.0% |
| 1975 |
18,210 |
28.5% |
| 1980 |
15,273 |
20.6% |
| 1985 |
11,226 |
14.6% |
| 1990 |
10,247 |
12.1% |
| 1991 |
9,898 |
11.9% |
| 1992 |
9,703 |
11.5% |
| 1993 |
9,554 |
11.2% |
| 1994 |
9,620 |
10.9% |
| 1995 |
9,400 |
10.4% |
| 1996 |
9,385 |
10.2% |
| 1997 |
9,327 |
9.8% |
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