Started in 2008, Airbnb is the world's largest online alternative accommodation travel agency, also offering booking services for boutique hotels and experiences. Airbnb's platform offered over 8 million active accommodation listings as of Sept. 30, 2024. Listings from the company's over 5 million hosts are spread over almost every country in the world. In 2023, 50% of revenue was from the North American region. Transaction fees for online bookings account for all its revenue.