| Afghanistan 🇦🇫 | Asia | 21 | 2 |
| African Italy 🇮🇹 | Africa | 33 | 2 |
| Agalega & St. Brandon 🇲🇺 | Africa | 39 | 2 |
| Aland Islands 🇦🇽 | Europe | 15 | 4 |
| Alaska 🇺🇸 | North America | 1 | 4 |
| Albania 🇦🇱 | Europe | 15 | 1 |
| Algeria 🇩🇿 | Africa | 33 | 7 |
| American Samoa 🇦🇸 | Oceania | 32 | 4 |
| Amsterdam & St. Paul Is. 🇹🇫 | Africa | 39 | 9 |
| Andaman & Nicobar Is. 🇮🇳 | Asia | 26 | 1 |
| Andorra 🇦🇩 | Europe | 14 | 1 |
| Angola 🇦🇴 | Africa | 36 | 2 |
| Anguilla 🇦🇮 | North America | 8 | 1 |
| Annobon Island 🇬🇶 | Africa | 36 | 1 |
| Antarctica 🇦🇶 | South America | 13, 29, 30, 38, 39 | 35 |
| Antigua & Barbuda 🇦🇬 | North America | 8 | 1 |
| Argentina 🇦🇷 | South America | 13 | 780 |
| Armenia 🇦🇲 | Asia | 21 | 1 |
| Aruba 🇦🇼 | South America | 9 | 1 |
| Ascension Island | Africa | 36 | 1 |
| Asiatic Russia 🇷🇺 | Asia | 16, 17, 18, 19, 23 | 1596 |
| Asiatic Turkey 🇹🇷 | Asia | 20 | 4 |
| Australia 🇦🇺 | Oceania | 29, 30 | 20 |
| Austria 🇦🇹 | Europe | 15 | 1 |
| Aves Island 🇻🇪 | North America | 8 | 5 |
| Azerbaijan 🇦🇿 | Asia | 21 | 2 |
| Azores 🇵🇹 | Europe | 14 | 9 |
| Bahamas 🇧🇸 | North America | 8 | 1 |
| Bahrain 🇧🇠| Asia | 21 | 1 |
| Baker & Howland Islands 🇺🇲 | Oceania | 31 | 4 |
| Balearic Islands 🇪🇸 | Europe | 14 | 11 |
| Banaba Island 🇰🇮 | Oceania | 31 | 1 |
| Bangladesh 🇧🇩 | Asia | 22 | 2 |
| Barbados 🇧🇧 | North America | 8 | 1 |
| Belarus 🇧🇾 | Europe | 16 | 3 |
| Belgium 🇧🇪 | Europe | 14 | 7 |
| Belize 🇧🇿 | North America | 7 | 1 |
| Benin 🇧🇯 | Africa | 35 | 1 |
| Bermuda 🇧🇲 | North America | 5 | 1 |
| Bhutan 🇧🇹 | Asia | 22 | 1 |
| Bolivia 🇧🇴 | South America | 10 | 7 |
| Bonaire 🇧🇶 | South America | 9 | 1 |
| Bosnia-Herzegovina 🇧🇦 | Europe | 15 | 1 |
| Botswana 🇧🇼 | Africa | 38 | 2 |
| Brazil 🇧🇷 | South America | 11 | 76 |
| British Virgin Islands 🇻🇬 | North America | 8 | 1 |
| Brunei Darussalam 🇧🇳 | Oceania | 28 | 1 |
| Bulgaria 🇧🇬 | Europe | 20 | 1 |
| Burkina Faso 🇧🇫 | Africa | 35 | 1 |
| Burundi 🇧🇮 | Africa | 36 | 1 |