Open Research Platform

How similar are the world’s legal systems?

Lexi Atlas translates, classifies, and compares constitutions, penal codes, and 80+ other legal domains across 190+ countries — revealing how closely the world’s laws align.

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200+ Countries

Constitutional and legislative texts from every continent

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17 Legal Domains

From constitutions to tax codes, climate law to IP

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28k+ Articles

AI-translated and classified legal provisions across all domains

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99.6% Data Coverage

Parsed, validated, and quality-scored legal texts

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AI-Powered Analysis

🌐 Translation to English
🏷️ Topic classification
🔑 Keyword extraction
📊 Semantic similarity
📝 Article summaries

Each country’s legal provisions are AI-translated, classified by topic, and compared article-by-article to reveal how closely different nations’ laws align at the conceptual level.

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Pairwise Similarity Matrix

Hierarchical Clustering (Average Similarity)

Data Files & API

All data used by Lexi Atlas is available as static JSON files. These can be consumed by AI agents, researchers, or integrated into other tools.

File	Description	Format	Size
s_e4a7.json	Full similarity dataset (all domains, 193 countries, article matches)	JSON	~78 MB
a_c3d9.json	Article text, translations, keywords, and topic tags (28k articles)	JSON	~35 MB
t_8b2e.json	Constitutional topic taxonomy and group mappings	JSON	~12 KB
s_fb21.json	EU subset similarity matrix (11 countries)	JSON	~33 KB
g_w1f4.json	World map GeoJSON boundaries	GeoJSON	~277 KB
x_d712.json	EU country index and aggregate similarity	JSON	~18 KB

Per-domain similarity loads on demand as s_{domain}.json. Per-country articles load as a/{CC}.json. Machine-readable manifest available in <script id="lexi-atlas-manifest">.

Lexi Atlas

How similar are the world’s legal systems?

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Select Legal Domain