Reference instrument · Available
The Inequity Index
The United States is the wealthiest large nation on Earth—yet ranks #23 on happiness. This index documents why: 208 claims across 9 domains, each scored on whether structural inequality explains the outcome.
Open methodology
208
Documented Claims
9
Domains
2
Scoring Systems
How it works
Premise Score (0–100)
Is the claim true? Based on empirical evidence, expert consensus, and replication consistency.
Example: "Lead exposure harms development" = 95 (strongly supported)
Structural Score (0–100)
How much does structure explain it? Measured separately from individual behavior or choice.
Example: Health disparities = 78 (mostly structural, some behavioral)
Explore by domain
Verdict scale
Strongly Refuted
Evidence contradicts; score 0–20
Refuted
Claim unsupported; score 21–44
Contested
Mixed evidence; score 45–54
Partially Supported
Real evidence but partial; score 55–69
Supported
Strong evidence; score 70–89
Strongly Supported
Extensive evidence; score 90–100
Ready to explore?
Start with a domain above, search for a specific claim, or browse all 208 claims.
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