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Discover the 11 Member States of ASEAN: A Comprehensive Overview

Explore key facts about each ASEAN member as the Philippines hosts the summit.

MD

Mateo Dela Cruz

May 4, 20266 min read307 views
Discover the 11 Member States of ASEAN: A Comprehensive Overview
Flags of the 11 ASEAN member states, showcasing their unity.
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The Philippines is currently in the spotlight as it hosts the ASEAN Summit 2026 in Cebu. This event marks a significant moment for the Association of Southeast Asian Nations (ASEAN), a regional organization focused on promoting peace and economic cooperation among its members.

Established in 1967, ASEAN was designed to foster regional stability and collaboration. The Philippines, as a founding member, plays a crucial role in guiding discussions that influence the region's future.

The summit will see representatives from all 11 member states, including the recently added Timor-Leste. Below is a brief overview of each member country.

Philippines

• Year of ASEAN membership: 1967 • Head of state: President Ferdinand Marcos Jr. • Capital: Manila • Area: 299,764 sq km • Population: 112.7 million (2024) • GDP per capita: $3,984.8 (2024) • Currency: Philippine peso

Indonesia

• Year of ASEAN membership: 1967 • Head of state: President Prabowo Subianto • Capital: Jakarta • Area: 1,811,569 sq km • Population: 288.3 million (2025) • GDP per capita: $4,925.4 (2024) • Currency: Indonesian rupiah

Singapore

• Year of ASEAN membership: 1967 • Head of state: President Tharman Shanmugaratnam • Head of government: Prime Minister Lawrence Wong • Capital: Singapore • Area: 744.3 sq km • Population: 6.11 million (2025) • GDP per capita: $90,674.1 (2024) • Currency: Singapore dollar

Thailand

• Year of ASEAN membership: 1967 • Head of state: King Maha Vajiralongkorn • Head of government: Prime Minister Anutin Charnvirakul • Capital: Bangkok • Area: 513,115 sq km • Population: 65.95 million (2024) • GDP per capita: $7,346.6 (2024) • Currency: Thai baht

Malaysia

• Year of ASEAN membership: 1967 • Head of state: King Ibrahim Iskandar • Head of government: Prime Minister Anwar Ibrahim • Capital: Kuala Lumpur • Area: 330,803 sq km • Population: 34.2 million (2024) • GDP per capita: $11,874.4 (2024) • Currency: Malaysian ringgit

Brunei

• Year of ASEAN membership: 1984 • Head of state: Sultan Hassanal Bolkiah • Capital: Bandar Seri Begawan • Area: 5,765 sq km • Population: 458,600 (2025) • GDP per capita: $33,153.5 (2024) • Currency: Brunei dollar

Vietnam

• Year of ASEAN membership: 1995 • Head of state: President To Lam • Head of government: Prime Minister Le Minh Hung • Capital: Hanoi • Area: 331,211.6 sq km • Population: 102.3 million (2025) • GDP per capita: $4,717.3 (2024) • Currency: Vietnamese dong

Myanmar

• Year of ASEAN membership: 1997 • Head of state: President Min Aung Hlaing (non-political representatives attend ASEAN summits) • Capital: Naypyidaw • Area: 677,000 sq km • Population: 51.37 million (2024) • GDP per capita: $1,359.1 (2024) • Currency: Myanmar kyat

Laos

• Year of ASEAN membership: 1997 • Head of state: President Thongloun Sisoulith • Head of government: Prime Minister Sonexay Siphandone • Capital: Vientiane • Area: 236,800 sq km • Population: 7.65 million (2024) • GDP per capita: $2,124.0 (2024) • Currency: Lao kip

Cambodia

• Year of ASEAN membership: 1999 • Head of state: King Norodom Sihamoni • Head of government: Prime Minister Hun Manet • Capital: Phnom Penh • Area: 181,436 sq km • Population: 17.28 million (2024) • GDP per capita: $2,627.9 (2024) • Currency: Cambodian riel

Timor-Leste

• Year of ASEAN membership: 2025 • Head of state: President José Ramos-Horta • Head of government: Prime Minister Xanana Gusmao • Capital: Dili • Area: 15,007 sq km • Population: 1.34 million (2022) • GDP per capita: $1,332 (2024) • Currency: United States dollar

As the Philippines leads the discussions at the summit, these member states will collaborate to address issues affecting the region and promote unity.