Nigeria, Senegal, Côte d'Ivoire, and Benin have all agreed to partake in a possible military intervention by ECOWAS.

Mali and Burkina Faso have both stated that they will support Niger if there is an intervention.

Guinea, suspended from ECOWAS in 2021 after a military coup, will not support an intervention.

Some ECOWAS members are yet to commit to involvement in a potential intervention:

Guinea Bissau
Cabo Verde
Sierra Leone
Liberia
Ghana
Togo
The Gambia