Following the resignation of Vương Đình Huệ, Mẫn was "assigned to manage National Assembly activities" until a new chairman is elected by the legislature.

He currently resides at 81B, Nguyen Trai Street, Tan A Ward, Ninh Kieu District, Can Tho City.

Delegates passed a resolution to elect Trần Thanh Mẫn as Standing Vice Chairman of the National Assembly with an approval rate of 94.79%.

[4] On 2 May 2024, in Hanoi, the 15th National Assembly held its seventh extraordinary session to consider personnel work under its authority.

[5] On 18 May 2024, at the 9th Central Conference, Mẫn was introduced by the Central Committee to be elected Chairman of the National Assembly and will be elected on 20 May 2024 at the opening ceremony of the 7th session in 15th Vietnam National Assembly.