The 15 Busiest Airports in the World in 2025 Airports are important places that connect people and countries. Every year, millions of travelers pass through airports around the world. In 2025, some airports have become even busier as more people travel again after the pandemic. Here is a simple look at the 15 busiest airports in the world based on the number of passengers. Table: Top 15 Busiest Airports (2024 Data) Key Points Why Are These Airports So Busy?
