Understanding the Political Party Landscape in West Malaysia vs. East Malaysia

Politics
5 Dec 2025 • 12:00 PM MYT
William Lee
William Lee

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Malaysia’s political landscape is often described as a tale of two regions: West Malaysia (Peninsular Malaysia) and East Malaysia (Sabah and Sarawak). While the nation is united under one federation, its political party structures, priorities, and voter behaviour vary significantly between the two halves. These differences are shaped by history, demographics, regional identities, and local issues that continue to influence political choices today.

This article provides a comprehensive breakdown of how political parties differ between West and East Malaysia—and why these differences matter.

1. Overview: Two Political Worlds Within One Country

On paper, Malaysia has national-level party coalitions such as:

  • Pakatan Harapan (PH)
  • Barisan Nasional (BN)
  • Perikatan Nasional (PN)
  • Several smaller national parties

These coalitions operate across the whole country.

However, the level of influence of these national parties differs between regions.

  • In West Malaysia, national parties dominate the political field.
  • In East Malaysia, local/state-based parties hold far more influence than national ones.

This has resulted in two distinct but interconnected political ecosystems.

2. West Malaysia: Dominated by National, Ideology-Driven Politics

Peninsular Malaysia’s politics are centered around large, historically established national political parties. These parties often mobilize support based on national issues, and many of them appeal to specific ethnic or religious groups.

Key characteristics of West Malaysian politics:

a. National parties dominate

Major players include:

  • UMNO (United Malays National Organisation – BN)
  • PKR (People’s Justice Party – PH)
  • DAP (Democratic Action Party – PH)
  • Amanah (PH)
  • Bersatu (PN)
  • PAS (Islamic Party of Malaysia – PN)
  • Gerakan, MCA, MIC, and others

b. Strong focus on race, religion, and national ideology

Peninsular political narratives often revolve around:

  • Malay rights and Bumiputera policy
  • Islam and religious governance (especially in PAS-led states)
  • Urban vs. rural economic development
  • National reforms, governance, and anti-corruption

c. Fierce competition and polarized political alignments

The peninsula’s political scene is more adversarial and ideologically polarized compared to East Malaysia. Voters tend to align strongly with particular parties or coalitions.

3. East Malaysia: Strength of Local, Regionalist Parties

East Malaysia—Sabah and Sarawak—has a completely different political culture, dominated by local parties that focus primarily on state rights, indigenous concerns, and regional autonomy.

Why local parties thrive in East Malaysia:

Major East Malaysia–based parties and coalitions:

In Sarawak

  • PBB (Parti Pesaka Bumiputera Bersatu)
  • PRS (Parti Rakyat Sarawak)
  • PDP (Progressive Democratic Party)
  • SUPP (Sarawak United People’s Party)

These parties form GPS (Gabungan Parti Sarawak), the dominant coalition in the state.

In Sabah

  • GRS (Gabungan Rakyat Sabah) – includes STAR, PBS, and others
  • UPKO (United Progressive Kinabalu Organisation)
  • Warisan (Sabah Heritage Party)

Key features of East Malaysian politics:

a. Regional identity over national ideology

Parties campaign on:

  • State rights under MA63
  • Natural resource control (oil, gas, timber)
  • Native customary rights (NCR land)
  • Rural development and infrastructure

Racial or religious-based politics play a far smaller role here.

b. Weak influence of West Malaysian parties

While some national parties (PKR, DAP, UMNO, Bersatu, PAS) do contest in Sabah/Sarawak, they rarely dominate, and local parties generally outperform them.

c. East Malaysian “Kingmakers”

Due to the fragmented political landscape in the peninsula, Sabah and Sarawak often hold the balance of power in federal parliamentary formations.

In recent elections, GPS and GRS have become crucial coalition partners for forming federal governments.

4. Structural and Historical Reasons for the Differences

1. The Malaysia Agreement 1963 (MA63)

Sabah and Sarawak joined Malaysia under special conditions guaranteeing autonomy in:

  • Immigration
  • Religion
  • Land matters
  • Local governance

This laid the foundation for strong regional politics.

2. Demographic complexity

East Malaysia’s indigenous communities are extremely diverse.

Local parties formed specifically to represent:

  • Iban & Dayak interests (Sarawak)
  • Kadazan-Dusun-Murut interests (Sabah)
  • Other indigenous groups across both states

National parties often struggle to speak to these communities with the required nuance.

3. Geography and socioeconomic differences

Many East Malaysian areas are rural and remote, with distinct development needs.

Local parties are seen as better able to address:

  • Lack of infrastructure
  • Rural education and healthcare
  • Connectivity and economic isolation

4. Political identity building

Over decades, Sabahans and Sarawakians developed a stronger regional identity, creating a political culture focused on “Borneo first” rather than “national ideology first.”

5. Comparison Table: West vs. East Malaysian Political Parties

AspectWest Malaysia (Peninsula)East Malaysia (Sabah & Sarawak)
Dominant partiesNational parties (PH, BN, PN)State-based parties (GPS, GRS, Warisan)
Political identityNational, ethnic, and religiousRegional, indigenous, autonomy-focused
Key issuesRace relations, religion, national reformsState rights, MA63, development, indigenous land
Party structureCentralised, Malaysia-wideLocalised, state-specific parties
Voter behaviourMore polarized; tied to party ideologyMore pragmatic; leadership and local issues matter
Role in federal politicsMain battlegroundOften kingmakers in forming governments

6. Why The East–West Divide Matters Today

1. Federal Government Formation

Given close elections in the peninsula, Sabah and Sarawak increasingly determine who forms the national government.

2. Policy Direction

Local East Malaysian parties demand:

  • Greater decentralisation
  • Increased development spending
  • MA63 implementation

These demands now shape national policies.

3. Political Stability

Any change in East Malaysian support can make or break a federal coalition.

This gives East parties leverage unseen in Peninsular politics.

4. Growing calls for autonomy

Sarawak especially has revitalised autonomy movements, pushing for:

  • More control over tax revenue
  • Higher oil and gas royalties
  • Stronger cultural and administrative autonomy

Conclusion

The political party landscape of Malaysia is not uniform across the country.

These contrasting political cultures enrich Malaysia’s democratic system, but they also create complexity—especially when forming federal coalitions or negotiating state–federal powers.

Understanding these differences is crucial to grasp how Malaysia’s political system works today and how it may evolve in the future.


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