World Facts for Students

World Overview	Details
Total Surface Area	510,064,472 sq km
Total Land Area	148,940,000 sq km (29.2% of Earth’s surface)
Total Water Area	361,132,000 sq km (70.8% of Earth’s surface)
Total Human Population	7.04 billion
Total Mass of Earth	5.9722 × 10²⁴ kg
Total Volume of Earth	1.08321 × 10¹² km³
Estimated Age of Earth	4.54 billion years
Surface Gravity	32.041 ft/s²
Distance from the Moon	384,403 km
Distance from the Sun	150 million km
Equatorial Radius	6,378.1 km
Average Radius	6,371.0 km
Polar Radius	6,356.8 km
Orbital Speed Around Sun	29.78 km/s
Time to Complete One Orbit	365.256 days
Surface Temperature Range	-88°C (min) / 58°C (max)
Orbit Size (Semi-major Axis)	92,956,050 miles
Earth’s Rotation Period	23.934 hours (approx. 1 day)
Speed of Earth’s Rotation	1,670 km/h
Nearest Planet Distance (Venus)	38 million km

Geographic & Political Features

Geographic & Political Features	Details
Total Number of Continents	7 (Asia, Africa, Europe, North America, South America, Australia, Antarctica)
Total Oceans	5 (Pacific, Atlantic, Indian, Southern, Arctic)
UN Member States	193 countries
Total Recognized Seas	137
Major Tectonic Plates	8 (African, Antarctic, Australian, Eurasian, Indian, North American, Pacific, South American)

World Records	Details
Largest Continent	Asia – 43,820,000 sq km (29.5% of Earth’s landmass)
Smallest Continent	Australia – 9,008,500 sq km
Largest Country by Area	Russia – 17,098,242 sq km
Smallest Country	Vatican City – 0.44 sq km
Largest Ocean	Pacific Ocean – 155,557,000 sq km
Smallest Ocean	Arctic Ocean – 14,056,000 sq km
Highest Mountain Peak	Mount Everest – 29,029 ft (Nepal)
Longest River	The Nile – 6,650 km
Largest Lake	Caspian Sea – 371,000 sq km
Global Average Life Expectancy	67.2 years