The developed countries are (Alphabetical order):
1. Andorra
2. Australia
3. Austria
4. Bahrain
5. Belgium
6. Brunei Darussalam
7. Canada
8. Croatia
9. Cyprus
10. Czech Republic
11. Denmark
12. Estonia
13. Finland
14. France
15. Germany
16. Greece
17. Hungary
18. Iceland
19. Ireland
20. Israel
21. Italy
22. Japan
23. Luxembourg
24. Malta
25. Monaco
26. Netherlands
27. New Zealand
28. Norway
29. Portugal
30. Qatar
31. Republic of Korea
32. San Marino
33. Singapore
34. Slovenia
35. Spain
36. Sweden
37. Switzerland
It's important to note that the definition of a developed country can vary based on different criteria and different sources. Some organizations might use different parameters or cut-off points to define developed countries.