1. Qatar Airways
2018 ranking: 2
Qatar Airways also won the awards for the world's best business class and business-class seat this year.
2. Singapore Airlines
2018 ranking: 1
Singapore Airlines won the awards for the world's best cabin crew, the best airline in Asia, the world's best first class, and the world's best first-class seat this year.
3. ANA All Nippon Airways
2018 ranking: 3
ANA All Nippon Airways won the awards for the world's best airport services, the world's best business-class onboard catering, the best business class in Asia, and the best airline staff in Japan this year.
4. Cathay Pacific Airways
2018 ranking: 6
Cathay Pacific has received high ratings for technology and safety in the past year.
5. Emirates
2018 ranking: 4
Emirates won the award for the world's best inflight entertainment this year.
6. EVA Air
2018 ranking: 5
EVA Air won the awards for the world's best airline-cabin cleanliness and the world's best economy-class catering this year.
7. Hainan Airlines
2018 ranking: 8
Hainan Airlines won the awards for best airline in China, best airline staff in China, and the world's best business-class amenities this year.
8. Qantas Airways
2018 ranking: 11
Qantas won the awards for best airline, best first-class, and best business-class in the Australia/Pacific region this year.
9. Lufthansa
2018 ranking: 7
Lufthansa won the awards for best airline in Europe and best first-class in Europe this year.
10. Thai Airways
2018 ranking: 10
Thai Airways won the awards for best airline staff in Asia and the world's best airline spa facility this year.
11. Japan Airlines
2018 rank: 13
Japan Airlines won the award for the world's best economy class and the world's best economy-class seat this year.
12. Garuda Indonesia
2018 rank: 9
Garuda Indonesia won the award for best airline staff in Indonesia this year.
13. Swiss International Air Lines
2018 rank: 12
Swiss International Airlines won the award for the world's best first-class lounge this year.
15. Austrian Airlines
2018 rank: 16
Austrian Airlines won the award for best premium economy-class catering, best business-class catering in Europe, and best cabin crew in Europe this year.
16. Air New Zealand
2018 rank: 17
Air New Zealand won the award for best premium economy in the Australia/Pacific region this year.
17. Bangkok Airways
2018 rank: 21
Bangkok Airways won the award for the world's best regional airline this year.
18. KLM Royal Dutch Airlines
2018 rank: 19
KLM was founded in 1919. It's considered to be the world's oldest airline.
19. British Airways
2018 rank: 31
British Airways won the award for best airline staff in Europe this year.