(LREM), obtained an absolute majority of 308 deputies, alongside its ally, the Democratic Movement (MoDem), which secured 42 seats.

[3] Members of the National Assembly who join the government are required to give up their seats to their substitutes (suppléants) a month after their appointment, as stipulated in the constitution.

By-elections are held in the event of the annulation of electoral results or vacancies caused by resignations (in most circumstances not those related to the death of a deputy, in which case the substitute takes the seat if possible), except within the year before legislative elections.

The election, conducted by secret ballot, was presided over by the oldest member of the National Assembly (Bernard Brochant, LR), assisted by the six youngest deputies in the National Assembly, who serve as secretaries,[28] namely, Ludovic Pajot, Typhanie Degois, Lénaïck Adam, Pierre Henriet, Robin Reda, and Bénédicte Peyrol.

Though the government indicated its preference for a politician from the right to take the position, a number of members of La République En Marche!

[30] Deputies named as ministers may not participate in the election of the president of the assembly, and their substitutes are only seated a month after the formation of the government (21 July).

Jean-Luc Mélenchon's demand to impose voting discipline and an obligation to respect the program of his movement prevented the creation of a common group.

[39] In the aftermath of the legislative elections, the split between Macron-compatible "constructives" within the Republicans (LR) and the rest of the party re-emerged.

The formation of two parliamentary groups on the right represented a symbolic divorce to the two threads on the right (the moderates and the hardliners) and the end of the old Union for a Popular Movement (UMP) which had been created in 2002 to unite the right and centre.