The world, explained in sizes, counts and records
WorldFacts is a reference atlas in article form. Every page ranks, measures or compares something real about our planet — the biggest countries, the smallest ones, the longest rivers, the tallest peaks — with the numbers set out in plain tables you can check for yourself.
57.5 million sq miof land on Earth (148.9M km²)
71%of the surface is ocean
8.2 billionpeople, estimated (UN, 2025)
195countries in the world
In this atlas
Six reference articles, each with ranked tables and the numbers behind them.