- Adamawa state – is in the north-east and shares a border with Cameroon
- Akwa Ibom state – is a south-south state and also shares a border with Cameroon
- Benue state – is in the north-central and shares a border with Cameroon
- Borno state – is another north-east state but shares a border with 3 countries – Cameroon, Niger Republic and Chad
- Cross River State – is a south-south state and shares a border with Cameroon
- Jigawa state – is a north-west state and shares a border with Niger Republic
- Katsina state – is another north-west state that shares a border with Niger Republic
- Kebbi state – is also a north-west state and shares a border with Niger Republic, Benin Republic
- Kwara state – is in the north-central and shares a border with Benin Republic
- Lagos state – is a south-west state and shares a border with Benin Republic
- Niger state – is a north-central state and shares a border with Benin Republic
- Ogun state – is in the south-west and shares a border with Benin Republic
- Oyo state – another south-west state that shares a border with the Benin Republic
- Sokoto state – is in the north-west and shares a border with Niger Republic and Benin Republic
- Taraba state – is a north-central state and shares a border with Cameroon
- Yobe state – is a north-eastern state and shares a border with Niger Republic
- Zamfara state – is in the north-east and shares with Niger Republic
Seventeen of the 36 Nigerian states share borders with four West and Central African countries.
According to StatiSense, a Data Tech Company with expertise in Analysis, four countries are Benin Republic, Niger Republic, Cameroon and Chad.
