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In Malaysia, astate legislative assembly, officiallyDewan Undangan Negeri (DUN), is the legislative branch of thestate governments in each of the 13Malaysian states. Members of a state legislative assembly comprises elected representatives from single-memberconstituencies during state elections through thefirst-past-the-post voting system.
The assemblies have powers to enact state laws as provided for by theConstitution of Malaysia. The majority party in each assembly forms the state government, and the leader of the majority party becomesMenteri Besar (for states with hereditary rulers) orChief Minister (for states without hereditary rulers) of the state.
The state legislative assemblies areunicameral, unlike thebicameralParliament of Malaysia. Thehereditary rulers orYang di-Pertua Negeri (governors) are vested with powers to dissolve their respective state legislative assemblies on the advice of the menteri besar or chief minister. Once dissolved, elections must be carried out within an interim period of sixty (60) days. Prior to 2018, state elections are previously held simultaneously with the federal parliamentary elections, with the exception ofSarawak.
The list excludesKuala Lumpur,Putrajaya andLabuan asFederal Territories do not have state legislative assemblies and are governed directly by the federal government under theMinistry of Federal Territories together with local authorities, namely theKuala Lumpur City Hall,Putrajaya Corporation andLabuan Corporation respectively.
Peninsular Malaysia

| Government-led state (6) | Opposition-led state (5) |
Sabah & Sarawak

| Government-led state (2) |
| State (and Assembly) | Seats (2018) | Population (2020) | Population/seat | Governing party / coalition | Government Leader | Speaker | Opposition party / coalition | Opposition Leader | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 73 | 3,418,785 | 46,833 | GRS + PH + BN | Hajiji Noor | Kadzim M. Yahya | WARISAN | Mohd Shafie Apdal | ||||
| 82 | 2,453,677 | 29,923 | GPS | Abang Abdul Rahman Zohari Abang Openg | Mohamad Asfia Awang Nassar | PH | Chong Chieng Jen | ||||