Visualizing Citations in U.S. Law

This visualization shows how frequently citations occur between sections of U.S. Law.

Mouseover to focus on a particular Title. The thickness of the links between Titles encodes the frequency of citations between the sections, including self-citations. Since the names don’t fit in the chart, a full list of titles is included below and in a tooltip.

Data is based on U.S Code XML citation analysis.

  • Title 1 – GENERAL PROVISIONS
  • Title 2 – THE CONGRESS
  • Title 3 – THE PRESIDENT
  • Title 4 – FLAG AND SEAL, SEAT OF GOVERNMENT, AND THE STATES
  • Title 5 – GOVERNMENT ORGANIZATION AND EMPLOYEES
  • Title 6 – DOMESTIC SECURITY
  • Title 7 – AGRICULTURE
  • Title 8 – ALIENS AND NATIONALITY
  • Title 9 – ARBITRATION
  • Title 10 – ARMED FORCES
  • Title 11 – BANKRUPTCY
  • Title 12 – BANKS AND BANKING
  • Title 13 – CENSUS
  • Title 14 – COAST GUARD
  • Title 15 – COMMERCE AND TRADE
  • Title 16 – CONSERVATION
  • Title 17 – COPYRIGHTS
  • Title 18 – CRIMES AND CRIMINAL PROCEDURE
  • Title 19 – CUSTOMS DUTIES
  • Title 20 – EDUCATION
  • Title 21 – FOOD AND DRUGS
  • Title 22 – FOREIGN RELATIONS AND INTERCOURSE
  • Title 23 – HIGHWAYS
  • Title 24 – HOSPITALS AND ASYLUMS
  • Title 25 – INDIANS
  • Title 26 – INTERNAL REVENUE CODE
  • Title 27 – INTOXICATING LIQUORS
  • Title 28 – JUDICIARY AND JUDICIAL PROCEDURE
  • Title 29 – LABOR
  • Title 30 – MINERAL LANDS AND MINING
  • Title 31 – MONEY AND FINANCE
  • Title 32 – NATIONAL GUARD
  • Title 33 – NAVIGATION AND NAVIGABLE WATERS
  • Title 35 – PATENTS
  • Title 36 – PATRIOTIC AND NATIONAL OBSERVANCES, CEREMONIES, ANDORGANIZATIONS
  • Title 37 – PAY AND ALLOWANCES OF THE UNIFORMED SERVICES
  • Title 38 – VETERANS BENEFITS
  • Title 39 – POSTAL SERVICE
  • Title 40 – PUBLIC BUILDINGS, PROPERTY, AND WORKS
  • Title 41 – PUBLIC CONTRACTS
  • Title 42 – THE PUBLIC HEALTH AND WELFARE
  • Title 43 – PUBLIC LANDS
  • Title 44 – PUBLIC PRINTING AND DOCUMENTS
  • Title 45 – RAILROADS
  • Title 46 – SHIPPING
  • Title 47 – TELEGRAPHS, TELEPHONES, AND RADIOTELEGRAPHS
  • Title 48 – TERRITORIES AND INSULAR POSSESSIONS
  • Title 49 – TRANSPORTATION
  • Title 50 – WAR AND NATIONAL DEFENSE
  • Title 51 – NATIONAL AND COMMERCIAL SPACE PROGRAMSa

Based on d3.js and the Uber Data visualization.