The United States (USA) is a highly developed country, with the world’s largest economy by nominal GDP and second-largest economy by PPP. It ranks highly in several measures of socioeconomic performance, including average wage,human development, per capita GDP, and productivity per person.
While the USA economy is considered post-industrial, characterized by the dominance of services and knowledge economy, the manufacturing sector remains the second-largest in the world. USA is a prominent political and cultural force internationally, and a leader in scientific research and technological innovations.
Capital City: Washington D.C.
Currency: Dollars ($).
Political system: Federal presidential constitutional republic.
Major religion: Christianity.
Main languages: English.
Tipping: Standard 10 to 15 percent in restaurants and taxis.
Electricity: 120V/60hz. Standard plugs have two flat pins but three-pin plugs are also used.
International dialing Code: +1.
Emergency number: 911.
Transport and driving: Traffic drives on the right. There is a comprehensive public transport system in place, including the subway, cabs and buses. Cities are well-connected.
• High Season (Jun–Aug)
Warm days across the country, with generally high temperatures.
Spring flowers (April); fiery autumn colors (October) in many parts.
• Low Season (Nov–Mar)
Wintery days, with snowfall in the north, and heavier rains in some regions.
Visas: Visitors from Canada, UK, Australia, New Zealand, Japan and many EU countries don’t need visas for less than 90-day stays.