The Most Similar States to the BosWash Region

1. Connecticut, 2. New Jersey, 3. Massachusetts, 4. Rhode Island, 5. Maryland

The Western State Most Similar to the Northeast

1. Washington, 2. Oregon, 3. California, 4. Colorado, 5. Nevada

States with the Most Gun Restrictions

Including restrictions and requirements for gun ownership in the United States

Variance in Organizational Affiliations by US State

Explanation of organizations included in the State Similarity Index

The Variety of Building Construction Types in US States

Explanation of the building type statistics used in the State Similarity Index

US States with the Least Similar Infrastructure

Why Massachusetts and Wyoming have the least similar infrastructure in the United States