These are the biggest airlines in the world by revenue

The global airline industry flies billions of people around the world every year and rakes in even more billions of dollars doing so. In fact, the sector expects to bring in a record $1 trillion in revenue next year. Some companies will grab bigger slices of that pie than others, however. Quartz analyzed the annual reports of the world’s biggest airlines to see how they stack up against one another.

Take a look at which carriers are the world’s largest by revenue.

10. Turkish Airlines

$20.9 billion, according to its most recent annual report

9. Qatar Airways Group

$22.2 billion (QAR 81 billion), according to its most recent annual report

8. China Southern Airlines

$22.3 billion (RMB $159.9 billion), according to its most recent annual report

7. Southwest Airlines

$26.1 billion, according to its most recent annual report

6. International Airlines Group

$32.4 billion (€29.5 billion), according to its most recent annual report

6. Air France-KLM

$33 billion (€30 billion), according to its most recent annual report

5. Emirates

$37.4 billion (AED 137.3 billion), according to its most recent annual report

4. Lufthansa Group

$39 billion (€35.4 billion), according to its most recent annual report

3. American Airlines

$52.8 billion, according to its most recent annual report

2. United Airlines

$53.7 billion, according to its most recent annual report

1. Delta Air Lines

$58 billion, according to its most recent annual report