Well, here's my (somewhat inflated) list ...
1. Andorra
2. Argentina
3. Aruba
4. Australia
5. Austria
6. Bahrain
7. Belarus
8. Belgium
9. Bonaire
10. Brazil
11. Brunei Darussalam
12. Bulgaria
13. Canada
14. China
15. Costa Rica
16. Croatia
17. Curaçao
18. Czech Republic
19. Denmark
20. Ecuador
21. Egypt
22. El Salvador
23. England
24. Faeroe Islands
25. Finland
26. France
27. Gambia, The
28. Germany, Democratic Republic (East)
29. Germany, Federal Republic (West/Unified)
30. Gibraltar
31. Greece
32. Greenland
33. Guam
34. Guatemala
35. Hong Kong
36. Hungary
37. Iceland
38. India
39. Indonesia
40. Ireland
41. Israel
42. Italy
43. Japan
44. Jordan
45. Korea (South)
46. Kuwait
47. Luxembourg
48. Malaysia
49. Malta
50. Martinique
51. Mexico
52. Micronesia (Yap)
53. Mongolia
54. Morocco
55. Netherlands, The
56. Nicaragua
57. Northern Ireland
58. Northern Mariana Islands (CNMI)
59. Norway
60. Oman
61. Palestine
62. Panama
63. Paraguay
64. Philippines
65. Poland
66. Portugal
67. Qatar
68. Romania
69. Russia
70. Scotland
71. Serbia
72. Singapore
73. Spain
74. Sweden
75. Switzerland
76. Thailand
77. Tunisia
78. Turkey
79. United Arab Emirates (Dubai)
80. United States of America
81. Uruguay
82. Wales
(And yes, England, Scotland, Wales and Northern Ireland are countries! Some of the others, though, are debatable.)
For those interested, here's a document I made up listing a possible 277 different 'countries' - one of which (East Germany) can no longer be visited: http:
www.psrg.org.uk/download/UN-Plus.docx
(It also has some extra information and tables, such as US states, Antarctic 'claims', et cetera. Feel free to ask for help in understanding the lists.)
-- Henry