Special Report
States With the Strongest and Weakest Unions
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Last Updated:
The share of American workers in unions fell once again in 2018, from 10.7% in 2017 to 10.5%. The decline is part of a much longer-term trend of the slow and steady disintegration of organized labor in the United States. In 1983, according to the Bureau of Labor Statistics, 20.1% of American workers were union members.
Labor unions exist to increase the collective bargaining power of their members to negotiate higher wages and better benefits. And historically, they have done just that. According to the Bureau of Labor Statistics, the typical non-union worker earns just under 80% of the wages of the typical unionized worker on a weekly basis. Labor unions have also helped to greatly improve benefits and reduce pay inequality along lines of race and gender.
Based on figures published by Unionstats.com, an online union membership and coverage database, 24/7 Wall St. identified the states with the highest and lowest union membership as a percentage of total employment. The database, which analyzes Bureau of Labor Statistics’ Current Population Survey, provides labor force and union membership figures in both the public and private sectors. Annual average wages by state came from Bureau of Economic Analysis. Rates of change in union membership were calculated over the period of 2008 to 2018.
Labor unions are an inherently political issue, and some states are more likely to be receptive to collective bargaining than others. 24/7 Wall St. reviewed data from the Bureau of Labor Statistics to identify the states where union membership is the strongest and the weakest.
The public sector is much more heavily unionized than the private sector — 33.9% of public-sector workers are union members compared to 6.4% of those in the private sector. For this reason, states where government employment represents a larger share of total workers tend to have stronger overall union representation.
While unions provide benefits to workers, anti-union advocates argue that unions stifle economic growth, limit corporate competitiveness, and unfairly pass higher costs down to the consumer or taxpayer. They argue that states that have passed right-to-work legislation — laws that prohibit unions from requiring workers in certain trades to be due-paying members — are better states for business. As of today, the majority of states have passed right-to-work laws. Here is our ranking of all 50 states based on how favorable their business climates are.
Click here to see the states with the strongest and weakest unions.
1. Hawaii
> Pct. of workers in unions: 23.1%
> Change in union membership (2008-2018): -1.2 ppt. (25th largest decrease)
> Union workers: 138,854 (24th fewest)
> Avg. annual wage: $50,968 (22nd highest)
See all stories featuring: Hawaii
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2. New York
> Pct. of workers in unions: 22.3%
> Change in union membership (2008-2018): -2.6 ppt. (15th largest decrease)
> Union workers: 1,873,880 (2nd most)
> Avg. annual wage: $69,947 (the highest)
See all stories featuring: New York
3. Washington
> Pct. of workers in unions: 19.8%
> Change in union membership (2008-2018): unchanged
> Union workers: 648,139 (5th most)
> Avg. annual wage: $61,893 (6th highest)
See all stories featuring: Washington
4. Alaska
> Pct. of workers in unions: 18.4%
> Change in union membership (2008-2018): -5.1 ppt. (2nd largest decrease)
> Union workers: 55,148 (8th fewest)
> Avg. annual wage: $57,052 (11th highest)
See all stories featuring: Alaska
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5. Rhode Island
> Pct. of workers in unions: 17.3%
> Change in union membership (2008-2018): +0.8 ppt. (2nd largest increase)
> Union workers: 83,165 (18th fewest)
> Avg. annual wage: $53,408 (16th highest)
See all stories featuring: Rhode Island
6. Connecticut
> Pct. of workers in unions: 15.9%
> Change in union membership (2008-2018): -1.0 ppt. (11th smallest decrease)
> Union workers: 267,222 (16th most)
> Avg. annual wage: $65,748 (4th highest)
See all stories featuring: Connecticut
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7. Minnesota
> Pct. of workers in unions: 15.0%
> Change in union membership (2008-2018): -1.1 ppt. (13th smallest decrease)
> Union workers: 395,407 (12th most)
> Avg. annual wage: $55,310 (13th highest)
See all stories featuring: Minnesota
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8. New Jersey
> Pct. of workers in unions: 14.9%
> Change in union membership (2008-2018): -3.4 ppt. (8th largest decrease)
> Union workers: 587,219 (8th most)
> Avg. annual wage: $63,563 (5th highest)
See all stories featuring: New Jersey
9. California
> Pct. of workers in unions: 14.7%
> Change in union membership (2008-2018): -3.7 ppt. (5th largest decrease)
> Union workers: 2,404,888 (the most)
> Avg. annual wage: $66,308 (3rd highest)
See all stories featuring: California
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10. Michigan
> Pct. of workers in unions: 14.5%
> Change in union membership (2008-2018): -4.3 ppt. (3rd largest decrease)
> Union workers: 624,598 (7th most)
> Avg. annual wage: $52,069 (19th highest)
See all stories featuring: Michigan
11. Oregon
> Pct. of workers in unions: 13.9%
> Change in union membership (2008-2018): -2.7 ppt. (14th largest decrease)
> Union workers: 241,150 (18th most)
> Avg. annual wage: $51,951 (20th highest)
See all stories featuring: Oregon
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12. Nevada
> Pct. of workers in unions: 13.9%
> Change in union membership (2008-2018): -2.8 ppt. (13th largest decrease)
> Union workers: 190,774 (21st most)
> Avg. annual wage: $49,316 (24th lowest)
See all stories featuring: Nevada
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13. Illinois
> Pct. of workers in unions: 13.8%
> Change in union membership (2008-2018): -2.8 ppt. (12th largest decrease)
> Union workers: 785,966 (3rd most)
> Avg. annual wage: $59,191 (8th highest)
See all stories featuring: Illinois
14. Massachusetts
> Pct. of workers in unions: 13.6%
> Change in union membership (2008-2018): -2.1 ppt. (17th largest decrease)
> Union workers: 462,739 (11th most)
> Avg. annual wage: $68,455 (2nd highest)
See all stories featuring: Massachusetts
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15. Maine
> Pct. of workers in unions: 12.9%
> Change in union membership (2008-2018): +0.6 ppt. (4th largest increase)
> Union workers: 73,905 (17th fewest)
> Avg. annual wage: $45,053 (9th lowest)
See all stories featuring: Maine
16. Ohio
> Pct. of workers in unions: 12.7%
> Change in union membership (2008-2018): -1.5 ppt. (22nd largest decrease)
> Union workers: 639,909 (6th most)
> Avg. annual wage: $49,988 (23rd highest)
See all stories featuring: Ohio
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17. Pennsylvania
> Pct. of workers in unions: 12.5%
> Change in union membership (2008-2018): -2.9 ppt. (10th largest decrease)
> Union workers: 700,130 (4th most)
> Avg. annual wage: $52,865 (18th highest)
See all stories featuring: Pennsylvania
18. Montana
> Pct. of workers in unions: 11.8%
> Change in union membership (2008-2018): -0.4 ppt. (3rd smallest decrease)
> Union workers: 50,441 (7th fewest)
> Avg. annual wage: $42,133 (4th lowest)
See all stories featuring: Montana
19. Colorado
> Pct. of workers in unions: 11.0%
> Change in union membership (2008-2018): +3.0 ppt. (the largest increase)
> Union workers: 281,098 (14th most)
> Avg. annual wage: $57,603 (10th highest)
See all stories featuring: Colorado
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20. Maryland
> Pct. of workers in unions: 11.0%
> Change in union membership (2008-2018): -1.6 ppt. (21st largest decrease)
> Union workers: 306,318 (13th most)
> Avg. annual wage: $61,133 (7th highest)
See all stories featuring: Maryland
21. Vermont
> Pct. of workers in unions: 10.5%
> Change in union membership (2008-2018): +0.1 ppt. (9th largest increase)
> Union workers: 30,619 (4th fewest)
> Avg. annual wage: $45,314 (12th lowest)
See all stories featuring: Vermont
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22. Delaware
> Pct. of workers in unions: 10.3%
> Change in union membership (2008-2018): -3.1 ppt. (9th largest decrease)
> Union workers: 44,835 (6th fewest)
> Avg. annual wage: $55,134 (14th highest)
See all stories featuring: Delaware
23. New Hampshire
> Pct. of workers in unions: 10.2%
> Change in union membership (2008-2018): -0.4 ppt. (4th smallest decrease)
> Union workers: 67,707 (15th fewest)
> Avg. annual wage: $54,319 (15th highest)
See all stories featuring: New Hampshire
24. West Virginia
> Pct. of workers in unions: 10.0%
> Change in union membership (2008-2018): -3.8 ppt. (4th largest decrease)
> Union workers: 68,464 (16th fewest)
> Avg. annual wage: $42,871 (5th lowest)
See all stories featuring: West Virginia
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25. Missouri
> Pct. of workers in unions: 9.4%
> Change in union membership (2008-2018): -1.8 ppt. (18th largest decrease)
> Union workers: 251,770 (17th most)
> Avg. annual wage: $48,525 (23rd lowest)
See all stories featuring: Missouri
26. Alabama
> Pct. of workers in unions: 9.3%
> Change in union membership (2008-2018): -0.5 ppt. (6th smallest decrease)
> Union workers: 180,645 (22nd most)
> Avg. annual wage: $45,308 (11th lowest)
See all stories featuring: Alabama
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27. Kentucky
> Pct. of workers in unions: 8.8%
> Change in union membership (2008-2018): +0.2 ppt. (7th largest increase)
> Union workers: 160,209 (24th most)
> Avg. annual wage: $44,855 (8th lowest)
See all stories featuring: Kentucky
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28. Indiana
> Pct. of workers in unions: 8.8%
> Change in union membership (2008-2018): -3.6 ppt. (6th largest decrease)
> Union workers: 269,025 (15th most)
> Avg. annual wage: $46,897 (17th lowest)
See all stories featuring: Indiana
29. Wisconsin
> Pct. of workers in unions: 8.1%
> Change in union membership (2008-2018): -6.9 ppt. (the largest decrease)
> Union workers: 218,590 (19th most)
> Avg. annual wage: $47,804 (21st lowest)
See all stories featuring: Wisconsin
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30. Iowa
> Pct. of workers in unions: 7.7%
> Change in union membership (2008-2018): -2.9 ppt. (10th largest decrease)
> Union workers: 112,771 (22nd fewest)
> Avg. annual wage: $45,186 (10th lowest)
See all stories featuring: Iowa
31. Kansas
> Pct. of workers in unions: 7.0%
> Change in union membership (2008-2018): unchanged
> Union workers: 90,558 (21st fewest)
> Avg. annual wage: $46,413 (15th lowest)
See all stories featuring: Kansas
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32. New Mexico
> Pct. of workers in unions: 6.8%
> Change in union membership (2008-2018): -0.4 ppt. (4th smallest decrease)
> Union workers: 55,336 (9th fewest)
> Avg. annual wage: $44,725 (7th lowest)
See all stories featuring: New Mexico
33. Nebraska
> Pct. of workers in unions: 6.6%
> Change in union membership (2008-2018): -1.7 ppt. (19th largest decrease)
> Union workers: 58,447 (14th fewest)
> Avg. annual wage: $46,540 (16th lowest)
See all stories featuring: Nebraska
34. Wyoming
> Pct. of workers in unions: 6.5%
> Change in union membership (2008-2018): -1.2 ppt. (23rd largest decrease)
> Union workers: 15,376 (the fewest)
> Avg. annual wage: $47,285 (18th lowest)
See all stories featuring: Wyoming
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35. Oklahoma
> Pct. of workers in unions: 5.7%
> Change in union membership (2008-2018): -0.9 ppt. (10th smallest decrease)
> Union workers: 90,114 (20th fewest)
> Avg. annual wage: $45,997 (14th lowest)
See all stories featuring: Oklahoma
36. South Dakota
> Pct. of workers in unions: 5.6%
> Change in union membership (2008-2018): +0.6 ppt. (4th largest increase)
> Union workers: 21,701 (3rd fewest)
> Avg. annual wage: $41,912 (2nd lowest)
See all stories featuring: South Dakota
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37. Florida
> Pct. of workers in unions: 5.6%
> Change in union membership (2008-2018): -0.8 ppt. (8th smallest decrease)
> Union workers: 484,162 (10th most)
> Avg. annual wage: $49,906 (24th highest)
See all stories featuring: Florida
38. Tennessee
> Pct. of workers in unions: 5.5%
> Change in union membership (2008-2018): unchanged
> Union workers: 154,128 (25th fewest)
> Avg. annual wage: $48,322 (22nd lowest)
See all stories featuring: Tennessee
39. Arizona
> Pct. of workers in unions: 5.3%
> Change in union membership (2008-2018): -3.5 ppt. (7th largest decrease)
> Union workers: 156,622 (25th most)
> Avg. annual wage: $51,157 (21st highest)
See all stories featuring: Arizona
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40. North Dakota
> Pct. of workers in unions: 5.2%
> Change in union membership (2008-2018): -0.9 ppt. (9th smallest decrease)
> Union workers: 17,907 (2nd fewest)
> Avg. annual wage: $49,441 (25th lowest)
See all stories featuring: North Dakota
41. Mississippi
> Pct. of workers in unions: 5.1%
> Change in union membership (2008-2018): -0.2 ppt. (the smallest decrease)
> Union workers: 57,656 (13th fewest)
> Avg. annual wage: $39,825 (the lowest)
See all stories featuring: Mississippi
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42. Louisiana
> Pct. of workers in unions: 5.0%
> Change in union membership (2008-2018): +0.4 ppt. (6th largest increase)
> Union workers: 89,016 (19th fewest)
> Avg. annual wage: $47,645 (20th lowest)
See all stories featuring: Louisiana
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43. Arkansas
> Pct. of workers in unions: 4.8%
> Change in union membership (2008-2018): -1.1 ppt. (12th smallest decrease)
> Union workers: 56,247 (12th fewest)
> Avg. annual wage: $43,490 (6th lowest)
See all stories featuring: Arkansas
44. Idaho
> Pct. of workers in unions: 4.7%
> Change in union membership (2008-2018): -2.4 ppt. (16th largest decrease)
> Union workers: 34,244 (5th fewest)
> Avg. annual wage: $42,022 (3rd lowest)
See all stories featuring: Idaho
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45. Georgia
> Pct. of workers in unions: 4.5%
> Change in union membership (2008-2018): +0.8 ppt. (3rd largest increase)
> Union workers: 200,070 (20th most)
> Avg. annual wage: $53,035 (17th highest)
See all stories featuring: Georgia
46. Virginia
> Pct. of workers in unions: 4.3%
> Change in union membership (2008-2018): +0.2 ppt. (8th largest increase)
> Union workers: 167,784 (23rd most)
> Avg. annual wage: $58,022 (9th highest)
See all stories featuring: Virginia
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47. Texas
> Pct. of workers in unions: 4.3%
> Change in union membership (2008-2018): -0.2 ppt. (the smallest decrease)
> Union workers: 511,944 (9th most)
> Avg. annual wage: $55,374 (12th highest)
See all stories featuring: Texas
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48. Utah
> Pct. of workers in unions: 4.1%
> Change in union membership (2008-2018): -1.7 ppt. (19th largest decrease)
> Union workers: 55,634 (11th fewest)
> Avg. annual wage: $47,447 (19th lowest)
See all stories featuring: Utah
49. North Carolina
> Pct. of workers in unions: 2.7%
> Change in union membership (2008-2018): -0.8 ppt. (7th smallest decrease)
> Union workers: 117,060 (23rd fewest)
> Avg. annual wage: $49,867 (25th highest)
See all stories featuring: North Carolina
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50. South Carolina
> Pct. of workers in unions: 2.7%
> Change in union membership (2008-2018): -1.2 ppt. (23rd largest decrease)
> Union workers: 55,369 (10th fewest)
> Avg. annual wage: $45,499 (13th lowest)
See all stories featuring: South Carolina
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