| Slovakia | Not Started - Seeking Researchers | | |
| Slovenia | Not Started - Seeking Researchers | | |
| Solomon Islands | Not Started - Seeking Researchers | | |
| Somalia | Not Started - Seeking Researchers | | |
| South Sudan | Not Started - Seeking Researchers | | |
| Suriname | Not Started - Seeking Researchers | | |
| Switzerland | Not Started - Seeking Researchers | | |
| Syria | Not Started - Seeking Researchers | | |
| Taiwan | Not Started - Seeking Researchers | | |
| Tajikistan | Not Started - Seeking Researchers | | |
| Tanzania | Not Started - Seeking Researchers | | |
| Thailand | Not Started - Seeking Researchers | | |
| Togo | Not Started - Seeking Researchers | | |
| Tokelau | Not Started - Seeking Researchers | | |
| Tonga | Not Started - Seeking Researchers | | |
| Trinidad and Tobago | Not Started - Seeking Researchers | | |
| Tunisia | Not Started - Seeking Researchers | | |
| Turkmenistan | Not Started - Seeking Researchers | | |
| Turks and Caicos Islands | Not Started - Seeking Researchers | | |
| Tuvalu | Not Started - Seeking Researchers | | |
| Uganda | Not Started - Seeking Researchers | | |
| United Arab Emirates | Not Started - Seeking Researchers | | |
| United States | Not Started - Seeking Researchers | | |
| Uruguay | Not Started - Seeking Researchers | | |
| US Minor Outlying Islands | Not Started - Seeking Researchers | | |
| Uzbekistan | Not Started - Seeking Researchers | | |
| Vanuatu | Not Started - Seeking Researchers | | |
| Venezuela | Not Started - Seeking Researchers | | |
| Vietnam | Not Started - Seeking Researchers | | |
| Virgin Islands, British | Not Started - Seeking Researchers | | |
| Virgin Islands, U.S. | Not Started - Seeking Researchers | | |
| Wallis and Futuna | Not Started - Seeking Researchers | | |
| Western Sahara | Not Started - Seeking Researchers | | |
| Yemen | Not Started - Seeking Researchers | | |
| Zambia | Not Started - Seeking Researchers | | |
| Zimbabwe | Not Started - Seeking Researchers | | |
| Albania | Not Started - Seeking Researchers | | |
| Algeria | Not Started - Seeking Researchers | | |
| American Samoa | Not Started - Seeking Researchers | | |
| Andorra | Not Started - Seeking Researchers | | |
| Angola | Not Started - Seeking Researchers | | |
| Anguilla | Not Started - Seeking Researchers | | |
| Antigua and Barbuda | Not Started - Seeking Researchers | | |
| Aruba | Not Started - Seeking Researchers | | |
| Azerbaijan | Not Started - Seeking Researchers | | |
| Bahamas | Not Started - Seeking Researchers | | |
| Bahrain | Not Started - Seeking Researchers | | |
| Bangladesh | Not Started - Seeking Researchers | | |
| Barbados | Not Started - Seeking Researchers | | |
| Belarus | Not Started - Seeking Researchers | | |