Regional councils were first elected in Mauritania in 2018 following a 2017 constitutional referendum that abolished the Senate, replacing it with regional councils in every wilaya and a single one for the city of Nouakchott.

On 26 September 2022 an agreement between the Ministry of the Interior and Decentralisation and all political parties registered in Mauritania was reached in order to renew the Independent National Electoral Commission and hold the elections in the first semester of 2023, with parties justifying it due to climatic and logistical conditions.

[3][4] On 26 September 2022 all Mauritanian political parties reached an agreement sponsored by the Ministry of Interior and Decentralisation to reform the election system ahead of the upcoming elections after weeks of meetings between all parties.

The head of the list that gets the most votes will automatically become president of the regional council.

[4][5] The following table lists party control in each regional council.