| Indicator | Value |
|---|---|
| ISO 3166 alpha-2 | USISO 3166 [2024] |
| ISO 3166 alpha-3 | USAISO 3166 [2024] |
| Capital | WashingtonGeoNames [2024] |
| Continent | North AmericaGeoNames [2024] |
| Common name | United StatesCIA World Factbook [2025] · 2026 archive |
| Official name | United States of AmericaCIA World Factbook [2025] · 2026 archive |
| Local name | United StatesCIA World Factbook [2025] · 2026 archive |
| Etymology | the name America was first used in 1507 and is derived from the first name of Amerigo VESPUCCI (1454-1512), an Italian explorer, navigator, and cartographer; the name United States first appeared in a document subtitle during the discussions that led to the Declaration of Independence in 1776CIA World Factbook [2025] · 2026 archive |
| Government type | Constitutional federal republicCIA World Factbook [2025] · 2026 archive |
| Independence | 4 July 1776 (declared independence from Great Britain); 3 September 1783 (recognized by Great Britain)CIA World Factbook [2025] · 2026 archive |
| National holiday | Independence Day, 4 July (1776)CIA World Factbook [2025] · 2026 archive |
| Head of state | Donald J. TRUMP (Pres.)CIA World Leaders [2025] |
| Currency code (ISO 4217) | USDISO 4217 Currency Codes [2026] |
| Currency | US DollarISO 4217 Currency Codes [2026] |
| Administrative subdivisions | 57ISO 3166-2 Subdivisions [2026] |
| Subdivision names |
|
| Historical overview | No authoritative open source found |
| National symbols | bald eagleCIA World Factbook [2025] · 2026 archive |
| National anthem | title: "The Star-Spangled Banner"; lyrics/music: Francis Scott KEY/John Stafford SMITH; history: adopted 1931; during the War of 1812, Francis Scott KEY witnessed the successful American defense of Baltimore's Fort McHenry against a British naval bombardment, later writing a poem about it that would become the US national anthem; the lyrics were set to the tune of "The Anacreontic Song;" there are four verses, but only the first verse is sungCIA World Factbook [2025] · 2026 archive |
| National colors | red, white, blueCIA World Factbook [2025] · 2026 archive |
| Citizenship rules | citizenship by birth: yes; citizenship by descent only: yes; dual citizenship recognized: no, but the US government acknowledges such situtations exist; US citizens are not encouraged to seek dual citizenship since it limits protection by the US; residency requirement for naturalization: 5 yearsCIA World Factbook [2025] · 2026 archive |
the name America was first used in 1507 and is derived from the first name of Amerigo VESPUCCI (1454-1512), an Italian explorer, navigator, and cartographer; the name United States first appeared in a document subtitle during the discussions that led to the Declaration of Independence in 1776
description: 13 equal horizontal stripes of red (top and bottom) alternating with white; a blue rectangle in the upper-left corner has 50 five-pointed white stars, arranged in nine offset horizontal rows of six stars (top and bottom) alternating with rows of five stars meaning: the stars represent the 50 states, and the stripes represent the 13 original colonies; blue stands for loyalty, devotion, truth, justice, and friendship; red for courage, zeal, and fervency; white for purity and rectitude of conduct
Source: CIA World Factbook (Historical Archive — final edition) · CC0 · Edition 2026-05
