NLRB Stats Archive › Annual Reports › FY1978 › Representation elections, by industry
| Total elections | Number of elections in which representation rights were won by unions | Number of elections in which representation rights were won by unions | Number of elections in which representation rights were won by unions | Number of elections in which representation rights were won by unions | Number of elections in which representation rights were won by unions | Number of elections in which no representative was chosen | Number employees eligible to vote | Total valid votes cast | Valid votes cast for unions | Valid votes cast for unions | Valid votes cast for unions | Valid votes cast for unions | Valid votes cast for unions | Total votes for no union | Eligible employees in elections in which no representative chosen | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total elections | Total | AFL-CIO unions | Teamsters | Other national unions | Other local unions | Number of elections in which no representative was chosen | Number employees eligible to vote | Total valid votes cast | Total | AFL-CIO unions | Teamsters | Other national unions | Other local unions | Total votes for no union | Eligible employees in elections in which no representative chosen | |
| Metal mining | 19 | 7 | 5 | 1 | 2 | 12 | 1,201 | 1,093 | 464 | 441 | 9 | 46 | 569 | 507 | ||
| Coal mining | 79 | 42 | 3 | 5 | 1 | 9 | 37 | 2,071 | 1,857 | 1,358 | 255 | 72 | 6 | 932 | 499 | 479 |
| Crude petroleum and natural gas production | 9 | 4 | 1 | 1 | 2 | 138 | 126 | 72 | 53 | 13 | 6 | |||||
| Mining and quarrying of nonmetallic minerals (except fuels) | 105 | 53 | 23 | 7 | 19 | 3 | 33 | 4,647 | 4,100 | 2,529 | 1,167 | 867 | 972 | 223 | 1,631 | 2,624 |
| Construction | 265 | 80 | 73 | 12 | 6 | 4 | 110 | 4,563 | 3,873 | 1,860 | 1,807 | 179 | 166 | 938 | 2,011 | 1,841 |
| Wholesale trade | 844 | 333 | 98 | 269 | 16 | 17 | 411 | 37,006 | 32,402 | 12,895 | 7,565 | 2,303 | 4,276 | 1,452 | 9,110 | 17,005 |
| Retail trade | 1,070 | 442 | 299 | 115 | 13 | 15 | 578 | 70,205 | 57,953 | 21,925 | 12,001 | 6,032 | 1,492 | 2,300 | 18,945 | 27,225 |
| Finance, insurance, and real estate | 155 | 76 | 61 | 8 | 4 | 9 | 79 | 4,572 | 3,912 | 1,613 | 1,218 | 227 | 29 | 144 | 2,294 | 1,387 |
| U.S. Postal Service | 10 | 5 | 2 | 3 | 5 | 58 | ||||||||||
| Local and suburban transit and interurban highway passenger transportation | 55 | 29 | 14 | 11 | 4 | 26 | 3,933 | 3,243 | 1,636 | 1,069 | 293 | 274 | 1,607 | |||
| Motor freight transportation and warehousing | 415 | 213 | 32 | 171 | 5 | 5 | 202 | 12,101 | 10,663 | 4,558 | 797 | 2,874 | 52 | 1,235 | 5,702 | 3,985 |
| Water transportation | 128 | 47 | 12 | 25 | 1 | 9 | 81 | 1,599 | 1,444 | 1,116 | 452 | 263 | 30 | 371 | 338 | 248 |
| Other transportation | 33 | 9 | 8 | 1 | 24 | 1,712 | 1,541 | 770 | 569 | 13 | 26 | 162 | 771 | 543 | ||
| Communication | 215 | 118 | 105 | 7 | 1 | 5 | 97 | 8,932 | 7,714 | 4,011 | 3,531 | 131 | 36 | 142 | 3,690 | 3,609 |
| Electric, gas, and sanitary services | 126 | 68 | 50 | 14 | 4 | 58 | 4,757 | 4,331 | 2,513 | 1,825 | 400 | 33 | 139 | 1,818 | 2,482 | |
| Transportation, communication, and other utilities (subtotal) | 892 | 473 | 218 | 222 | 10 | 23 | 419 | 33,066 | 29,032 | 14,906 | 8,130 | 4,283 | 200 | 2,161 | 14,126 | |
| Hotels, rooming houses, camps, and other lodging places | 98 | 34 | 27 | 2 | 4 | 1 | 64 | 6,441 | 4,099 | 2,069 | 1,464 | 246 | 216 | 143 | 2,922 | 2,054 |
| Personal services | 55 | 24 | 14 | 11 | 1 | 31 | 1,110 | 962 | 565 | 344 | 246 | 21 | 16 | 412 | 415 | |
| Automotive repair, services, and garages | 114 | 67 | 21 | 32 | 5 | 9 | 47 | 1,996 | 1,706 | 915 | 354 | 414 | 37 | 110 | 791 | 1,005 |
| Motion pictures | 20 | 5 | 3 | 1 | 1 | 15 | 243 | 219 | 115 | 23 | 53 | 27 | 12 | 104 | 199 | |
| Amusement and recreation services (except motion pictures) | 36 | 12 | 8 | 1 | 1 | 2 | 24 | 977 | 830 | 298 | 215 | 33 | 10 | 40 | 532 | 599 |
| Health services | 806 | 291 | 229 | 13 | 19 | 30 | 515 | 31,275 | 26,440 | 10,853 | 8,070 | 813 | 373 | 271 | 940 | 909 |
| Educational services | 166 | 67 | 33 | 8 | 10 | 16 | 94 | 11,376 | 9,884 | 5,067 | 2,683 | 117 | 1,367 | 896 | 4,817 | 5,140 |
| Membership organizations | 40 | 23 | 13 | 6 | 2 | 2 | 17 | 1,118 | 1,015 | 519 | 320 | 127 | 25 | 47 | 496 | 414 |
| Business services | 274 | 138 | 90 | 36 | 5 | 7 | 136 | 13,261 | 9,970 | 4,994 | 2,277 | 1,243 | 967 | 507 | 4,976 | 6,440 |
| Miscellaneous repair services | 31 | 15 | 12 | 2 | 1 | 16 | 697 | 638 | 284 | 162 | 26 | 96 | 350 | 222 | ||
| Legal services | 11 | 1 | 1 | 10 | 651 | 458 | 175 | 168 | 9 | 283 | 161 | |||||
| Public administration | 32 | 9 | 3 | 2 | 3 | 1 | 23 | 627 | 538 | 262 | 16 | 32 | 208 | 6 | 246 | 75 |
| Services (subtotal) | 1,383 | 713 | 454 | 126 | 29 | 105 | 672 | 84,802 | 69,438 | 33,389 | 16,888 | 5,567 | 3,886 | 1,776 | 35,932 | 34,478 |
| Total, all industrial groups | 8,240 | 3,791 | 2,178 | 1,105 | 256 | 252 | 4,449 | 471,919 | 417,563 | 199,283 | 118,811 | 36,710 | 22,302 | 19,170 | 218,280 | 177,256 |
Source data: U.S. NLRB Annual Reports (public domain). Reconstruction by NLRB Stats Archive. Updated June 2026.