🇺🇸 United States (Washington, D.C.) — Currency, Timezone, Voltage, Visa & Economy Profile
The world's largest economy accounting for ~26% of global nominal GDP, leading in reserve currency (USD) finance, Silicon Valley AI & Big Tech, aerospace, and biotechnology.
United States
Capital: Washington, D.C. · USD ($)
10:47:00
UTC-5 · -14h
🇰🇷 KR: 00:47:00
~13.5 hrs
11,164 km
🇰🇷 Seoul ↔ 🇺🇸 Washington, D.C.
100–127V Low Voltage! Type A/B Plug Adapter & Dual-Voltage Check Required
🛂 90 days Visa Waiver (ESTA approval required 72h prior)
💧 Tap water safe to drink directly (high quality municipal supply)
💵 Tipping customary/expected (15%–20% at restaurants, bars & taxis)
🗣️ Languages: English (Spanish widely spoken)
🏛️ Government: Federal Presidential Constitutional Republic (50 States)
🕌 Religion: Christian 63%, Unaffiliated 29%, Jewish 2%, Other 6%
📦 Top Exports: AI/Cloud Tech, Aircraft & Spacecraft, Refined Petroleum & LNG, Pharma, Finance
🌤️ Climate & Terrain: Spans 6 time zones from Arctic Alaska to tropical Hawaii and Florida
⚖️ Direct Comparison vs 🇰🇷 South Korea
📐 Land area (9,833,517 km²) is ~98x larger than South Korea (World #3).
💳 Everyday dining & hotel costs are ~18% higher than South Korea (avg meal $20).
💰 GDP per capita ($85,370) is 2.36x South Korea's, with a life expectancy of 79.3 years.
🚗 Driving Side: Drives on the RIGHT (Left-Hand Drive vehicles), same as Korea/US/Continental Europe.
💡 Apply for ESTA ($21 official fee) at least 72 hours before departure. Power is 120V/60Hz (Type A/B). Remember to factor in 15–20% restaurant tipping and state sales tax.
📐 United States Land Area (km²), True Size & World Factbook
9,833,517 km² (World #3)9,833,517 km²
98.13x S. Korea
34명/km²
Urban 83.3%
79.3세
Median 38.9y
🚗 우측통행(좌핸들)
🚨 911 · 🛡️51/100
📊 United States Global Economy, Demographics & Passport Metrics
🏛️ Country Overview, Major Cities & Core Industries
The world's largest economy accounting for ~26% of global nominal GDP, leading in reserve currency (USD) finance, Silicon Valley AI & Big Tech, aerospace, and biotechnology.
New York · Los Angeles · San Francisco · Chicago
Home to S&P 500 and Nasdaq tech titans (NVIDIA, Apple, Microsoft, Alphabet), combining deep capital markets with a massive $85,000+ GDP per capita consumer base.
Apply for ESTA ($21 official fee) at least 72 hours before departure. Power is 120V/60Hz (Type A/B). Remember to factor in 15–20% restaurant tipping and state sales tax.
🔌 United States Voltage, Socket & Plug Adapter Guide
⚡ 100–120V Type A/B Needed100–127V Low Voltage! Type A/B Plug Adapter & Dual-Voltage Check Required (120V 60Hz / Type A/B)
90 days Visa Waiver (ESTA approval required 72h prior)