# World Geography
Confidence: high
Last verified: 2026-05-22
Generation: ai_assisted


## TL;DR

Earth's surface: 71% water, 29% land. Seven continents: Asia (largest, 44.6M km²), Africa, North America, South America, Antarctica, Europe, Australia. Five oceans: Pacific (largest, 165M km²), Atlantic, Indian, Southern, Arctic. Highest point: Mt. Everest (8,848.86m). Deepest: Mariana Trench (10,994m).

## Core Explanation

Population: ~8.2 billion (2025). Largest countries by area: Russia (17.1M km²), Canada, China, USA, Brazil. Largest by population: India (1.45B, surpassed China 2023), China (1.42B). Most populous cities: Tokyo (37M), Delhi (33M), Shanghai (29M). Longest river: Nile (6,650km) or Amazon (6,400km — dispute over source). Largest desert: Antarctic Polar Desert (14M km² — cold deserts are deserts too).

## Further Reading

- [National Geographic Atlas of the World (11th Ed)](https://www.nationalgeographic.com/books/article/atlas-of-the-world-11th-edition)