| Title 1 | General Provisions | 39 | | |
| Title 2 | The Congress | 1213 | | |
| Title 3 | The President | 63 | | |
| Title 4 | Flag and Seal, Seat of Government, and the States | 47 | | |
| Title 5 | Government Organization and Employees | 139 | | |
| Title 6 | Domestic Security | 402 | | |
| Title 7 | Agriculture | 2645 | | |
| Title 8 | Aliens and Nationality | 352 | | |
| Title 9 | Arbitration | 31 | | |
| Title 10 | Armed Forces | 3412 | | |
| Title 11 | Bankruptcy | 263 | | |
| Title 12 | Banks and Banking | 1765 | | |
| Title 13 | Census | 70 | | |
| Title 14 | Coast Guard | 240 | | |
| Title 15 | Commerce and Trade | 2362 | | |
| Title 16 | Conservation | 4735 | | |
| Title 17 | Copyrights | 140 | | |
| Title 18 | Crimes and Criminal Procedure | 1355 | | |
| Title 19 | Customs Duties | 515 | | |
| Title 20 | Education | 1595 | | |
| Title 21 | Food and Drugs | 627 | | |
| Title 22 | Foreign Relations and Intercourse | 2722 | | |
| Title 23 | Highways | 153 | | |
| Title 24 | Hospitals and Asylums | 161 | | |
| Title 25 | Indians | 2112 | | |
| Title 26 | Internal Revenue Code | 1592 | | |
| Title 27 | Intoxicating Liquors | 45 | | |
| Title 28 | Judiciary and Judicial Procedure | 802 | | |
| Title 29 | Labor | 539 | | |
| Title 30 | Mineral Lands and Mining | 635 | | |
| Title 31 | Money and Finance | 473 | | |
| Title 32 | National Guard | 75 | | |
| Title 33 | Navigation and Navigable Waters | 1337 | | |
| Title 35 | Patents | 174 | | |
| Title 36 | Patriotic and National Observances, Ceremonies, and Organizations | 1137 | | |
| Title 37 | Pay and Allowances of the Uniformed Services | 256 | | |
| Title 38 | Veterans’ Benefits | 1026 | | |
| Title 39 | Postal Service | 172 | | |
| Title 40 | Public Buildings, Property, and Works | 437 | | |
| Title 41 | Public Contracts | 229 | | |
| Title 42 | The Public Health and Welfare | 6549 | | |
| Title 43 | Public Lands | 1371 | | |
| Title 44 | Public Printing and Documents | 346 | | |
| Title 45 | Railroads | 296 | | |
| Title 46 | Shipping | 912 | | |
| Title 47 | Telecommunications | 354 | | |
| Title 48 | Territories and Insular Possessions | 584 | | |
| Title 49 | Transportation | 945 | | |
| Title 50 | War and National Defense | 807 | | |
| Title 51 | National and Commercial Space Programs | 234 | | |