State: Alabama
Union representation 2013: 11.7
Union Membership: 10.7
State: AL

State: Alaska
Union representation 2013: 24.5
Union Membership: 23.1
State: AK

State: Arizona
Union representation 2013: 6.0
Union Membership: 5
State: AZ

State: Arkansas
Union representation 2013: 4.1
Union Membership: 3.5
State: AR

State: California
Union representation 2013: 17.4
Union Membership: 16.4
State: CA

State: Colorado
Union representation 2013: 9.2
Union Membership: 7.6
State: CO

State: Connecticut
Union representation 2013: 14.3
Union Membership: 13.5
State: CT

State: Delaware
Union representation 2013: 11.0
Union Membership: 10.3
State: DE

State: District of Columbia
Union representation 2013: 11.0
Union Membership: 9.3
State: DC

State: Florida
Union representation 2013: 6.9
Union Membership: 5.4
State: FL

State: Georgia
Union representation 2013: 6.3
Union Membership: 5.3
State: GA

State: Hawaii
Union representation 2013: 23.6
Union Membership: 22.1
State: HI

State: Idaho
Union representation 2013: 5.8
Union Membership: 4.7
State: ID

State: Illinois
Union representation 2013: 16.3
Union Membership: 15.8
State: IL

State: Indiana
Union representation 2013: 10.3
Union Membership: 9.3
State: IN

State: Iowa
Union representation 2013: 12.0
Union Membership: 10.1
State: IA

State: Kansas
Union representation 2013: 8.4
Union Membership: 7.5
State: KS

State: Kentucky
Union representation 2013: 13.0
Union Membership: 11.2
State: KY

State: Louisiana
Union representation 2013: 5.5
Union Membership: 4.3
State: LA

State: Maine
Union representation 2013: 13.1
Union Membership: 11.1
State: ME

State: Maryland
Union representation 2013: 13.1
Union Membership: 11.6
State: MD

State: Massachusetts
Union representation 2013: 14.6
Union Membership: 13.7
State: MA

State: Michigan
Union representation 2013: 16.9
Union Membership: 16.3
State: MI

State: Minnesota
Union representation 2013: 15.0
Union Membership: 14.3
State: MN

State: Mississippi
Union representation 2013: 4.2
Union Membership: 3.7
State: MS

State: Missouri
Union representation 2013: 10.4
Union Membership: 8.6
State: MO

State: Montana
Union representation 2013: 14.8
Union Membership: 13
State: MT

State: Nebraska
Union representation 2013: 9.0
Union Membership: 7.3
State: NE

State: Nevada
Union representation 2013: 16.1
Union Membership: 14.6
State: NV

State: New Hampshire
Union representation 2013: 10.7
Union Membership: 9.6
State: NH

State: New Jersey
Union representation 2013: 16.6
Union Membership: 16
State: NJ

State: New Mexico
Union representation 2013: 7.3
Union Membership: 6.2
State: NM

State: New York
Union representation 2013: 25.8
Union Membership: 24.4
State: NY

State: North Carolina
Union representation 2013: 4.8
Union Membership: 3
State: NC

State: North Dakota
Union representation 2013: 8.5
Union Membership: 6.4
State: ND

State: Ohio
Union representation 2013: 14.1
Union Membership: 12.6
State: OH

State: Oklahoma
Union representation 2013: 9.5
Union Membership: 7.5
State: OK

State: Oregon
Union representation 2013: 14.8
Union Membership: 13.9
State: OR

State: Pennsylvania
Union representation 2013: 13.7
Union Membership: 12.7
State: PA

State: Rhode Island
Union representation 2013: 17.8
Union Membership: 16.9
State: RI

State: South Carolina
Union representation 2013: 4.7
Union Membership: 3.7
State: SC

State: South Dakota
Union representation 2013: 5.8
Union Membership: 4.8
State: SD

State: Tennessee
Union representation 2013: 7.4
Union Membership: 6.1
State: TN

State: Texas
Union representation 2013: 6.0
Union Membership: 4.8
State: TX

State: Utah
Union representation 2013: 5.4
Union Membership: 3.9
State: UT

State: Vermont
Union representation 2013: 13.2
Union Membership: 10.9
State: VT

State: Virginia
Union representation 2013: 6.4
Union Membership: 5
State: VA

State: Washington
Union representation 2013: 19.7
Union Membership: 18.9
State: WA

State: West Virginia
Union representation 2013: 13.5
Union Membership: 12.7
State: WV

State: Wisconsin
Union representation 2013: 13.1
Union Membership: 12.3
State: WI

State: Wyoming
Union representation 2013: 6.4
Union Membership: 5.7
State: WY