World at a glance ...... Total Surface Area:510,064,472 sq km Total Land Area:148,940,000 sq km (29.2% of Planet Earth's surface) Total Water Area:361,132,000 sq km (70.8% of Planet Earth's surface) Total Population:7.04 billion Total Weight:5.9722 × 1024Kg Total Volume:1.08321×1012km3 Total Age:4.54 billion years Surface Gravity:32.041 ft/s2 Distance from Moon:384,403 km Distance from Sun:150 million km Equatorial Radius:6,378.1 km Mean Radius:6,371.0 km Polar Radius:6,356.8 km Orbiting Speed:29.78 km/s Orbiting Time: 365.256363004 days Surface Temperature:-88/5(min/max)°C Orbit Size around Sun:92,956,050 miles (Semi Major Axis) Period of Rotation: 23.934 hours Speed of Rotation: 1670 km/hr Distance from nearest Planet: 38 million km from Venus Total Continent: 7 (Asia, Africa, Europe, North America, South America, Australia, Antar ctica) Total Ocean: 5 ( Pacific, Atlantic, Indian, Southern, Arctic ) UN Recognized Countries: 193 Total Seas: 137 Primary Tectonic Plates: 8 (African, Antarctic, Australian, Eurasian, Indian, North American, Pacific, South American) Largest Continent: Asia, 43,820,000 sq km (29.5% of total World landmass) Smallest Continent: Australia, 9,008,500 sq km Largest Country: Russia, 17,098,242 sq km Smallest Country: Vatican City - 0.44 sq km Largest Ocean: The Pacific Ocean - 155,557,000 sq km Smallest Ocean: Arctic, 14,056,000 sq km Highest Mountain: Mount Everest, 29,029 ft - Nepal Longest River: The Nile - 6,650 km Largest Lake: The Caspian Sea - 371,000 sq km Average Life Expectancy: 67.2 years