Tier A
| Country | Union |
|---|---|
| Angola | South Western Angola Union Mission |
| Angola | North Eastern Angola Union Mission |
| Burundi | Burundi Association |
| Ethiopia | Ethiopia Union Mission |
| Guinea | West Africa Union Mission (WAUM) |
| Liberia | West Africa Union Mission (WAUM) |
| Madagascar | Indian Ocean Union Conference |
| Mauritius | Indian Ocean Union Conference |
| Nigeria | Eastern Nigeria Union Conference (ENUC) |
| Nigeria | Northern Nigeria Union Conference (NNUC) |
| Nigeria | South-West Conference Nigeria |
| Nigeria | Western Nigeria Union Conference (WNUC) |
| Rwanda | Adventist University of Central Africa |
| Rwanda | Rwanda Union Mission |
| Sierra Leone | West African Union Mission (WAUM) |
| South Sudan | South Sudan Attached Territory |
Tier B
| Country | Union |
|---|---|
| Mozambique | Mozambique Union Mission |
| Republic of Congo | East Congo Union Mission |
| Republic of Congo | West Congo Union Mission |
| Tanzania | Northern Tanzania Union Conference |
| Tanzania | Southern Tanzania Union Mission |
| Uganda | Uganda Union Mission |
| Zimbabwe | Zimbabwe Union Conference |
| Zimbabwe | Zimbabwe West Union Conference |
| Zimbabwe | Zimbabwe East Union Conference |
Tier C
| Country | Union |
|---|---|
| Cameroon | Cameroon Union Mission |
| Ghana | Northern Ghana Union Conference (NGUM) |
| Ghana | Southern Ghana Union Mission (SGUM) |
| Malawi | Malawi Union Conference |
| Republic of Congo | North East Congo Union Mission |
| Zambia | Northern Zambia Union Conference |
Tier D
| Country | Union |
|---|---|
| Burkina Faso | East Sahel Union Mission (ESUM) |
| Cape Verde | Western Sahel Union Mission (WSUM) |
| Central African Republic | Central Africa Union Mission (CAUM) |
| Cote d Ivore | East Sahel Union Mission (ESUM) |
| Eswatini | Eswatini Conference |
| Gabon | Central Africa Union Mission (CAUM) |
| Gambia | Western Sahel Union Mission (WSUM) |
| Guinea-Bissau | Western Sahel Union Mission (WSUM) |
| Kenya | West Kenya Union Conference (WKUC) |
| Kenya | East Kenya Union Conference(EKUC) |
| Lesotho | Lesotho Conference |
| Mali | Western Sahel Union Mission (WSUM) |
| Namibia | Namibia South Conference |
| Niger | East Sahel Union Mission (ESUM) |
| Senegal | Western Sahel Union Mission (WSUM) |
| Seychelles | Seychelles Mission |
| Togo | East Sahel Union Mission (ESUM) |
Tier E
| Country | Union |
|---|---|
| Australia | |
| Botswana | Botswana Union Conference |
| Europe | |
| Mauritius | |
| Namibia | North Namibia Conference |
| North America | |
| Reunion | IOUC |
| South Africa | South Africa Union Conference |