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Which one of the following countries became the 11th member of ASEAN in 2025?
Explanation
Timor-Leste (East Timor) officially became the 11th member of the Association of Southeast Asian Nations (ASEAN) on October 26, 2025. The admission took place during the 47th ASEAN Summit held in Kuala Lumpur, Malaysia, under the Malaysian chairmanship. Timor-Leste had applied for membership in 2011 and was granted observer status in November 2022. A formal roadmap for its full membership was adopted in May 2023, which the country successfully fulfilled to achieve full member status in 2025.
- Vietnam joined ASEAN in 1995.
- Brunei joined in 1984.
- Cambodia joined in 1999.
The signing of the Declaration on the Admission of Timor-Leste by the leaders of the existing ten member states marked the first expansion of the regional bloc since Cambodia's entry.