This is the results breakdown of the parliamentary elections held in Mauritania on 13 and 27 May 2023. The following tables will show detailed results in all of the electoral districts of the country.

Quick Facts Main: 2023 Mauritanian parliamentary election, Party ...

	Main: 2023 Mauritanian parliamentary election
← 2018 13 and 27 May 2023 TBD →
Party		Votes	%	Seats
	El Insaf	342,153	35.3%	107
	Tewassoul	99,475	10.3%	11
	UDP	58,823	6.1%	10
	Sawab+	39,807	4.1%	5
	Hope MR	32,315	3.3%	7
	AND	31,987	3.3%	6
	El Islah	31,854	3.3%	6
	HATEM	28,124	2.9%	3
	El Karama	25,437	2.6%	5
	NW	24,268	2.5%	5
	AJD/MR+	21,163	2.2%	4
	HIWAR	20,206	2.1%	3
	PMM	20,187	2.1%	1
	El Vadila	17,301	1.8%	2
	CED	15,028	1.6%	1
	Others	162,370	16.7%	0
Total		970,498	100.0%	176

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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.^[1]

The 176 members (an increase of 17 members compared to 2018) of the National Assembly will be elected by two methods (with Mauritanians being able to cast four different votes in a parallel voting system); 125 are elected from single- or multi-member electoral districts based on the departments (or moughataas) that the country is subdivided in^{[lower-alpha 1]} (with the exception of Nouakchott, which has been divided in three 7-seat constituencies for this election based on the three regions (or wilayas) the city is subdivided in instead of the single 18-seat constituency that was used in 2018),^[1] using either the two-round system or proportional representation; in single-member constituencies candidates require a majority of the vote to be elected in the first round and a plurality in the second round. In two-seat constituencies, voters vote for a party list (which must contain one man and one woman); if no list receives more than 50% of the vote in the first round, a second round is held, with the winning party taking both seats. In constituencies with three or more seats, closed list proportional representation is used, with seats allocated using the largest remainder method.^[3] For three-seat constituencies, party lists must include a female candidate in first or second on the list; for larger constituencies a zipper system is used, with alternate male and female candidates.^[3]

The Mauritania diaspora gets allocated four seats, with this election being the first time Mauritanians in the diaspora are able to directly elect their representatives.^[1]

The remaining 51 seats are elected from three nationwide constituencies, also using closed list proportional representation: a 20-seat national list (which uses a zipper system), a 20-seat women's national list and a new 11-seat youth list (with two reserved for people with special needs), which also uses a zipper system to guarantee the representation of women.^[1][3]