The conference's membership includes five archdioceses, fourteen dioceses, and two missions sui iuris.

These particular Churches minister to Catholics in thirteen independent nations, six British Overseas Territories, three departments of France, three countries of the Kingdom of the Netherlands and 3 municipalities of the Netherlands proper.

[2] The bishop from an American insular area, the United States Virgin Islands, has been granted observer status.

Additionally, a permanent board — consisting of the president, vice president, treasurer, the metropolitan archbishops and two other elected members — handles administrative issues between plenary meetings of the conference.

The current apostolic delegate is Archbishop Santiago De Wit Guzmán,[4] who replaced Archbishop Fortunatus Nwachukwu after he was appointed as secretary of the Section of First Evangelization of the Dicastery for Evangelization.