Which countries are located in the southern hemisphere?

So many, more than 20.

Africa:

1. Angola
2. Botswana
3. Burundi
4. Comoros
5. Lesotho
6. Madagascar
7. Malawi
8. Mauritius
9. Mozambique
10. Namibia
11. Rwanda
12. Seychelles
13. South Africa
14. Swaziland
15. Tanzania
16. Zambia
17. Zimbabwe
18. Democratic Republic of the Congo
19. Gabon
20. Republic of the Congo
21. Equatorial Guinea
22. Kenya
23. Somalia
24. São Tomé and Príncipe
25. Uganda

Asia:

1. East Timor
2. Indonesia
3. Maldives
4. Australia
5. Fiji
6. Nauru
7. New Zealand
8. Papua New Guinea
9. Samoa
10. Solomon Islands
11. Tonga
12. Tuvalu
13. Vanuatu
14. Kiribati

America:

1. Argentina
2. Bolivia
3. Chile
4. Paraguay
5. Peru
6. Uruguay
7. Brazil
8. Ecuador
9. Colombia

Other:

• American Samoa (USA)
• Cook Islands (New Zealand)
• Easter Island (Chile)
• French Polynesia (including Tahiti) (France)
• Galápagos Islands (Ecuador)
• Jarvis Island (USA)
• Juan Fernández Islands (Chile)
• Territory of New Caledonia and Dependencies (France)
• Niue (New Zealand)
• Swains Island (USA, claimed by Tokelau)
• Tokelau (New Zealand)
• Wallis and Futuna (France)
• Pitcairn Islands (United Kingdom)

Atlantic Ocean:

• Falkland Islands (United Kingdom)
• Saint Helena (United Kingdom)
• Tristan da Cunha (United Kingdo

• British Indian Ocean Territory (United Kingdom)
• Mayotte (France)
• Réunion (France)

• Antarctic and sub-Antarctic islands
• Bouvet Island (Norway)
• Kerguelen Islands (France)
• Kermadec Islands (New Zealand)
• New Zealand Sub-Antarctic Islands (New Zealand)
• Saint Paul Island and Amsterdam Island (France)
• South Georgia and the South Sandwich Islands (United Kingdom, claimed by Argentina)
• South Orkney Islands (Antarctic Treaty signatories)