* Nigeria: This is where the largest number of Hausa speakers reside.
* Niger: Hausa is one of the official languages of Niger.
* Chad: A significant number of Hausa speakers are found in the south of Chad.
* Cameroon: Hausa is spoken in the northern regions of Cameroon.
* Sudan: There is a smaller population of Hausa speakers in Sudan, mainly in the border areas.
* Ghana: There is a small but growing Hausa community in Ghana, mainly in the northern regions.
* Other Countries: Hausa is also spoken by smaller communities in other countries like Benin, Togo, and the Central African Republic.
It's important to note that the exact number of Hausa speakers in each country can vary depending on the source and definition of "speaker" (native speaker, second language speaker, etc.).