+ Union affiliation by U.S. state (2025) Rank State Percentunionmembers Percent change Unionmembers Percentrepresentedby unions Percent change Representedby unions Totalemployed Rightto Work 1 24.8 1.7% 145,000 26.0 1.5% 152,000 586,000 No 2 21.3 0.7% 1,834,000 22.5 0.6% 1,943,000 8,624,000 No 3 18.1 0.4% 57,000 20.7 1.2% 65,000 315,000 No 4 18.0 2.0% 632,000 19.4 1.1% 681,000 3,512,000 No 5 16.1 1.6% 82,000 15.3 2.2% 89,000 509,000 No 6 16.1 0.4% 266,000 17.2 0.6% 284,000 1,652,000 No 7 15.1 0.8% 283,000 16.9 0.6% 316,000 1,867,000 No 8 14.9 0.4% 2,489,000 16.7 0.4% 2,784,000 16,651,000 No 9 14.7 1.5% 612,000 16.1 1.3% 670,000 4,158,000 No 10 14.6 0.1% 498,000 15.4 0.2% 527,000 3,427,000 No 11 14.1 0.1% 386,000 15.8 1.0% 431,000 2,731,000 No 12 13.1 758,000 14.0 0.2% 812,000 5,778,000 No 13 13.1 1.2% 38,000 14.8 1.0% 43,000 293,000 No 14 13.0 0.4% 566,000 14.2 0.5% 620,000 4,354,000 No 15 13.0 0.9% 189,000 14.3 0.9% 208,000 1,460,000 Yes 16 12.7 1.3% 346,000 15.0 1.6% 406,000 2,711,000 No 17 11.9 1.2% 71,000 14.1 1.2% 85,000 601,000 No 18 11.7 0.8% 620,000 12.4 0.7% 665,000 5,679,000 No 19 11.6 0.5% 605,000 12.8 0.5% 666,000 5,196,000 No 20 11.2 0.7% 53,000 12.3 0.8% 58,000 471,000 No 21 10.4 1.9% 47,000 11.5 2.6% 52,000 451,000 No 22 9.8 1.2% 271,000 11.2 1.9% 309,000 2,759,000 No 23 9.2 1.4% 34,000 10.7 1.0% 39,000 364,000 No 24 8.9 0.3% 60,000 9.9 0.7% 67,000 676,000 No 25 8.9 0.1% 157,000 10.5 0.7% 187,000 1,769,000 Yes 26 8.5 0.3% 60,000 9.1 0.9% 64,000 703,000 Yes 27 8.3 0.7% 260,000 9.6 0.8% 301,000 3,143,000 Yes 28 6.8 0.4% 101,000 8.2 0.1% 122,000 1,478,000 Yes 29 6.6 0.2% 64,000 8.5 0.4% 82,000 973,000 Yes 30 6.4 173,000 7.5 0.6% 201,000 2,691,000 Yes 31 6.3 0.3% 131,000 7.2 0.6% 150,000 2,090,000 Yes 32 6.2 0.1% 84,000 9.0 1.0% 122,000 1,358,000 Yes 33 6.1 1.4% 52,000 7.9 0.9% 68,000 855,000 No 34 6.1 0.8% 106,000 7.3 1.1% 127,000 1,749,000 Yes 35 6.0 1.0% 23,000 6.3 1.1% 28,000 385,000 Yes 36 6.0 0.4% 14,000 7.2 0.5% 17,000 240,000 Yes 37 5.9 1.8% 161,000 6.7 1.3% 180,000 2,706,000 No 38 5.4 0.3% 503,000 6.3 0.1% 581,000 9,328,000 Yes 39 5.4 0.2% 204,000 6.4 0.7% 244,000 3,797,000 Yes 40 5.1 1.3% 236,000 6.1 1.7% 280,000 4,601,000 Yes 41 4.9 0.4% 673,000 5.8 0.4% 793,000 13,731,000 Yes 42 4.8 0.1% 145,000 5.7 0.1% 176,000 3,057,000 Yes 43 4.4 0.5% 79,000 5.5 0.5% 99,000 1,795,000 Yes 44 4.2 1.0% 47,000 7.3 0.6% 81,000 1,111,000 Yes 45 4.1 0.9% 36,000 5.3 0.6% 47,000 875,000 Yes 46 4.1 0.4% 132,000 4.5 148,000 3,256,000 Yes 47 3.8 0.1% 61,000 7.8 125,000 1,608,000 Yes 48 2.8 0.7% 36,000 3.5 0.9% 44,000 1,250,000 Yes 49 2.7 0.1% 63,000 4.1 96,000 2,324,000 Yes 50 2.5 0.1% 113,000 3.1 0.2% 140,000 4,547,000 Yes 51 2.3 0.4% 10,000 3.1 0.6% 13,000 415,000 Yes — 10.0 0.1% 14,665,000 10.0 0.1% 16,486,000 146,661,000 N/A
See also
International comparisons of labor unions Labor unions in the United States Right-to-work law
References
External links
State Union Membership Density, 1964–2008 (Excel file) State Union Coverage Density, 1977–2008 (Excel file)