The state election would also be the first in which 18-20 year olds are eligible to vote after the gazettement of the constitutional amendment on 15 December 2021.

The Malaysian United Democratic Alliance (MUDA) won 1 seat in its election debut.

As Malaysia follows the Westminster system of government, the head of government (Prime Minister at the federal level and the Menteri Besar/Chief Ministers at the state level) is the person who commands the confidence of the majority of members in the respective legislature – this is normally the leader of the party or coalition with the majority of seats in the legislature.

In practice, coalitions and alliances in Malaysia, and by extension, in Johor, generally persist between elections, and member parties do not normally contest for the same seats.

[104] On 10 March 2022, Khairy revealed that his ministry had issued 42 compound notices for the violation of SOPs during the campaign period for the Johor election, including five to Najib.

[105][106][107] Onn Hafiz Ghazi, elected MLA for Machap, were sworn in as the new Menteri Besar of Johor on 15 March, replacing Hasni.

[111] The elected MLA for Simpang Jeram, Salahuddin Ayub (who is also the MP for Pulai, Johor PH chairman, and then Minister of Domestic Trade and Cost of Living) died on 23 July 2023, necessitating the 2023 Simpang Jeram by-election for the state seat (and the 2023 Pulai by-election for the federal seat).

After MUDA's president Syed Saddiq Syed Abdul Rahman announced his party's support withdrawal of the unity government at federal level on 10 September 2023 in protest of UMNO and BN president Zahid Hamidi recent discharge not amounting to an acquittal (DNAA) of his 47 court cases, the sole MUDA representative at Johor assembly, Puteri Wangsa's MLA Amira Aisya Abdul Aziz announced the day after that she also withdraws from the state government coalition and will be in the opposition bloc (now known as Balancer Bloc in the Johor assembly), though not in coalition with PN.