United States
Country in Americas
In brief
Population: 341.8M (2025). World rank 3 of 216; in Americas, 1 of 46. Area: 9,372,610 km². World rank 5 of 249; in Americas, 2 of 56. GDP: $30.8T (2025). World rank 1 of 210; in Americas, 1 of 45. From 2015 to 2025: population 321.8M → 341.8M, GDP $18.3T → $30.8T, and GDP per person $56,849 → $90,027. Better than all its neighbours (Canada and Mexico): GDP per person.
State
- Official name
- United States of America
- Local name
- United States
- Capital
- Washington D.C.
- Region
- Americas
- Form of government
- Federal republic
- UN member
- Yes
Key figures
Practical information
- Languages
- English
- Currency
- US Dollar (USD)
- Time zones
- UTC−10 – UTC−4
- Calling code
- +1
- Emergency numbers
- 911
- Driving side
- Right
- Plug types
- A, B
- Mains voltage
- 120 V