Sungai Sibuga

Sungai Sibuga
Sabah constituency
State constituency
Legislature	Sabah State Legislative Assembly
MLA	Vacant
Constituency created	1984
First contested	1986
Last contested	2025
Demographics
Population (2020)	75,651
Electors (2020)	23,308

Last updated October 19, 2025

Sungai Sibuga is a state constituency in Sabah, Malaysia, that is represented in the Sabah State Legislative Assembly.^[1] It has been vacant since the death of incumbent MLA Mohamad Hamsan Awang Supain of Barisan Nasional (BN) on 19 January 2025.^[2]

Demographics

Ethnic breakdown of Sungai Sibuga's electorate as of 2020

Sabah Bumiputera (44.1%)
Malay-Muslim Bumiputera (29.4%)
Chinese (14.2%)
Other ethnicities (12.3%)

History

Polling districts

According to the gazette issued on 31 October, the Sungai Sibuga constituency has a total of 9 polling districts.^[3]

State constituency	Polling Districts	Code	Location
Sungai Sibuga（N52）	Sibuga	184/52/01	SMK Elopura
	Sungai Kayu	184/52/02	SK Sungai Kayu
	Taman Airport	184/52/03	SMK Perempuan Sandakan
	Nunuyan	184/52/04	SK Nunuyan Laut
	Taman Merpati	184/52/05	SMK Merpati
	Batu Putih Baru	184/52/06	SK Batu Putih Baru
	Tinosa	184/52/07	SK Tinusa SMK Tinusa
	Taman Fajar	184/52/08	SK Merpati
	Pulau Pamaguan	184/52/09	SK Pamaguan

Representation history

Member of Sabah State Legislative Assembly for Sungai Sibuga
Assembly	Years	Member	Party
Constituency created from Semawang and Elopura
7th	1985–1986	Bernard Chu Thau Hien	PBS
8th	1986–1990	Michael Tan Kun Boo
9th	1990–1994	Thien Fui Yun
10th	1994–1999	Musa Aman (موسى أمان)	BN (UMNO)
11th	1999–2004
12th	2004–2008
13th	2008–2013
14th	2013–2018
15th	2018–2020
16th	2020–2025	Mohamad Hamsan Awang Supain (محمد همسان أواڠ سڤيان)
16th	2025	Vacant^{[N 1]}

Election results

Sabah state election, 2025 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN
	GRS
	Heritage
Total valid votes
Total rejected ballots
Unreturned ballots
Turnout
Registered electors
Majority

Source(s) ^{[ citation needed ]}

Sabah state election, 2020 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Mohamad Hamsan Awang Supain	7,545	51.09	1.17
	Sabah Heritage Party	Armani Mahiruddin	6,007	40.67	3.72
	Love Sabah Party	Irwanshah Mustapa	526	3.56	3.56
	LDP	Kemella Hasan	126	0.85	0.85
	Sabah People's Unity Party	Mohd Jain Aliuddin	114	0.77	0.77
Total valid votes			14,318	96.95
Total rejected ballots			340	2.30
Unreturned ballots			111	0.75
Turnout			14,769	63.36	14.92
Registered electors			23,308
Majority			1,538	10.42	2.55
	BN hold		Swing
Source(s) "RESULTS OF CONTESTED ELECTION AND STATEMENTS OF THE POLL AFTER THE OFFICIAL ADDITION OF VOTES".

Sabah state election, 2018 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	14,503	52.26	20.48
	Sabah Heritage Party	Asmara Abdul Rahman	12,319	44.39	44.39
	Sabah Nationality Party	Osman Enting	241	0.87	0.87
Total valid votes			27,063	97.52
Total rejected ballots			525	1.89
Unreturned ballots			164	0.59
Turnout			27,752	78.28	3.29
Registered electors			35,454
Majority			2,184	7.87	42.71
	BN hold		Swing		{{{2}}}
Source(s) "RESULTS OF CONTESTED ELECTION AND STATEMENTS OF THE POLL AFTER THE OFFICIAL ADDITION OF VOTES".

Sabah state election, 2013 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	16,637	72.74	0.31
	PKR	Irwahshah Mustapa	5,068	22.16	2.20
	STAR	Jaffar @ Damaid Juana	265	1.16	1.16
	SAPP	Mohd Roslan Yussof	215	0.94	0.94
	Independent	Mohd Arshad Abdul	201	0.88	0.88
Total valid votes			22,386	97.88
Total rejected ballots			414	1.81
Unreturned ballots			71	0.31
Turnout			22,871	81.57	13.51
Registered electors			28,038
Majority			11,569	50.58	1.89
	BN hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI".

Sabah state election, 2008 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	10,570	72.43	3.48
	PKR	Tharmin Mohd Jaini	2,913	19.96	19.96
	Independent	Gusniah Diong	295	2.02	2.02
	BERSEKUTU	Osman Enting	291	1.99	1.99
Total valid votes			14,069	96.40
Total rejected ballots			425	2.91
Unreturned ballots			100	0.69
Turnout			14,594	68.06	3.55
Registered electors			21,442
Majority			7,657	52.47	5.94
	BN hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 2008".

Sabah state election, 2004 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	8,668	75.91	21.53
	Independent	Lue Sue Seng	1,998	17.50	17.50
	PAS	Abdul Gani Kosui	415	3.63	3.63
Total valid votes			11,081	97.04
Total rejected ballots			270	2.36
Unreturned ballots			68	0.60
Turnout			11,419	64.51	0.44
Registered electors			17,702
Majority			6,670	58.41	30.73
	BN hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 2004".

Sabah state election, 1999 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	7,927	54.38	8.63
	PBS	Ramli Noordin	3,893	26.70	7.86
	BERSEKUTU	Musa Jala	2,166	14.86	14.38
	SETIA	Isnain Amat	289	1.98	1.66
Total valid votes			14,275	97.92
Total rejected ballots			303	2.08
Unreturned ballots			0	0.00
Turnout			14,578	64.07	1.22
Registered electors			22,754
Majority			4,034	27.68	0.77
	BN hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 1999".

Sabah state election, 1994 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	BN	Musa Aman	8,211	63.01	63.01
	PBS	Thim Fun Yun	4,503	34.56	9.38
	BERSEKUTU	Hamid @ Piging Jan	63	0.48	0.48
	SETIA	Satiman Taman	42	0.32	0.32
Total valid votes			12,819	98.37
Total rejected ballots			212	1.63
Unreturned ballots			0	0.00
Turnout			13,031	65.29	0.61
Registered electors			19,960
Majority			3,708	28.45	27.50
	BN gain from PBS		Swing		?
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 1994".

Sabah state election, 1990 : Sungai Sibuga
Party		Candidate	Votes	%	∆%
	PBS	Thien Fui Yun	3,908	43.94	1.41
	USNO	Juslie Ajirol	3,823	42.99	3.03
	BERJAYA	Mukri Taipsapara	457	5.14	7.73
	AKAR	Saman Ghulam	260	2.92	2.92
	PRS	Bernard Willie	197	2.22	2.22
	LDP	Lai Vai Ming @ Lai Kheng Ming	127	1.43	1.43
Total valid votes			8,772	98.64
Total rejected ballots			121	1.36
Unreturned ballots			0	0.00
Turnout			8,893	65.90	5.69
Registered electors			13,494
Majority			85	0.95	4.44
	PBS hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 1990".

Sabah state election, 1986 : Sungai Sibuga
Party		Candidate	Votes	%
	PBS	Micheal Tan Kun Boo	3,140	45.35
	USNO	Tharmin Mohd Jaini	2,767	39.96
	BERJAYA	Vincent Hiew Syn Choi	891	12.87
	Independent	Rusli Udam	71	1.03
Total valid votes			6,869	99.21
Total rejected ballots			55	0.79
Unreturned ballots			0	0.00
Turnout			6,924	71.59
Registered electors			9,672
Majority			373	5.39
	PBS hold		Swing
Source(s) "KEPUTUSAN PILIHAN RAYA UMUM DEWAN UNDANGAN NEGERI SABAH BAGI TAHUN 1986".

Note

↑ Vacant from 19 January 2025 until the 2025 state election due to the incumbent died in office.

References

↑ "Dashboard SPR".
↑ "Sungai Sibuga rep Mohamad Hamsan dies". Free Malaysia Today. 20 January 2025. Retrieved 20 January 2025.
↑ "Federal Government Gazette, Notice Under Subregulation 11(5A), Polling Hours for the Fifteenth General Election" (PDF). Attorney General's Chambers. 31 October 2022.

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[4] Vacant from 19 January 2025 until the 2025 state election due to the incumbent died in office.

[1] "Dashboard SPR".

[2] "Sungai Sibuga rep Mohamad Hamsan dies". Free Malaysia Today. 20 January 2025. Retrieved 20 January 2025.

[3] "Federal Government Gazette, Notice Under Subregulation 11(5A), Polling Hours for the Fifteenth General Election" (PDF). Attorney General's Chambers. 31 October 2022.

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