Timor-Leste Officially Becomes ASEAN’s 11th Member Nation

Timor-Leste, the country was officially called East Timor, became the 11th member of the Association of Southeast Asian Nations (ASEAN) on 26 October 2025, the first expansion of the bloc in decades. Its historic accession that was celebrated at the ASEAN Summit in Kuala Lumpur is an indication of the increasing role of the country in the process of cooperation and development in the region. The hoisting up of the Timorese flag together with other ASEAN states was a symbol of unity, inclusiveness, and a mutual desire to have peace and prosperity. In the case of East Timor, which gained its independence in 2002, membership is a significant step towards enhancing diplomatic relations, economic development, and helping Southeast Asia to have a collective gain and stability.

Summary of ASEAN Members and Establishment

Established on 8 August 1967 in Bangkok, Thailand

Founding members: Indonesia, Malaysia, the Philippines, Singapore, and Thailand

Later joined by:

• Brunei Darussalam in 1984

• Vietnam in 1995

• Laos and Myanmar in 1997

• Cambodia in 1999

• East Timor (Timor-Leste) in 2025

Headquarters are located in Jakarta, Indonesia

Represents over 680 million people

Promotes peace, stability, economic growth, and cultural cooperation

Strengthens regional unity and global competitiveness

ASEAN Countries Contribute to Economics

• The countries of ASEAN are a part of the fastest-growing area of the economy in the world.

• They support free trade, investment, and innovation by means of the ASEAN Economic Community (AEC).

• Member countries bring different industries to the country, such as manufacturing, agriculture, tourism, and technology.

• Regional integration enhances employment, exports, and digital transformation.

• Collectively, ASEAN is a source of sustainable growth and global economic competitiveness.

Conclusion

The historic admission of Timor-Leste as the 11th member of ASEAN is a strong step towards increased unity and cooperation in Southeast Asia. This achievement not only solidifies the diplomatic and economic role of Timor-Leste, but also the vision of ASEAN of inclusiveness and prosperity together. Being the youngest country in the region, the entrance of Timor-Leste makes us hopeful about the regional unity, a new step to sustainable development, and the unity of the entire Southeast Asian region.