The Johor State Legislative Assembly would automatically dissolve on 20 June 2018, the fifth anniversary of the first sitting, and elections must be held within sixty days (two months) of the dissolution (on or before 20 August 2018, with the date to be decided by the Election Commission), unless dissolved prior to that date by the Head of State (Sultan of Johor) on the advice of the Head of Government (Menteri Besar of Johor).

The results of the election saw a historic win for Pakatan Harapan (PH), winning 36 seats (a majority but 1 seat short of supermajority) and ousting Barisan Nasional from the state government, the first time since the first Johor state elections in 1955 that BN or its predecessor Alliance were defeated.

[2] Barisan Nasional (BN) is set to contest all 56 seats in Johor State Legislative Assembly.

[9] Osman had only led the state government for 11 months, before resigning as Menteri Besar in April 2019.

[10] He were replaced by another BERSATU MLA, Sahruddin Jamal, as Menteri Besar, who then led the state government for another 11 months, until the wake of 2020 Malaysian political crisis, which saw the exit of BERSATU and most of its MLAs from PH, which resulted in Sahruddin's resignation.