Singapore Overtakes Japan as Thailand's Top Foreign Investor — SkimNews

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- Thai PM Anutin Charnvirakul and Singapore PM Lawrence Wong held the fifth Thailand-Singapore Leaders' Retreat in Bangkok early this month — the first in 11 years — pledging cooperation on energy and food security, digital and physical connectivity, defense, and regional strategy as both prepare to chair ASEAN in alphabetical succession.
- Thailand-Singapore defense ties are among ASEAN's deepest, with annual bilateral drills (Kocha Singa army, Flash Thunder special ops, Air ThaiSing air force), the biennial Singsiam naval exercise, and trilateral engagements SITMEX (with India) and Cope Tiger (with the US), complementing Cobra Gold hosted annually in Thailand.
- Thailand provides the Singapore Armed Forces with dedicated training space under a 2008 deal in which Singapore transferred seven F-16A/B fighters in exchange for 15 years of access, and has procured high-value Singapore platforms including the $132 million HTMS Angthong Endurance-class amphibious assault ship.
- Singapore overtook Japan as Thailand's top single-country foreign investor, accounting for 25.5% of Thailand's overall FDI as of Q1 2026 (roughly 95% of ASEAN FDI into Thailand), compared with Japan's 24.8%.
- Thailand-Indonesia relations were elevated to a Strategic Partnership during President Prabowo Subianto's May 2025 Bangkok visit, followed by Anutin's reciprocal trip to Jakarta last month — the first by a Thai prime minister in 15 years — covering halal supply chains, carbon markets, tourism, and the repatriation of nearly 1,000 Indonesian scam victims.
- Indonesian Finance Minister Purbaya Yudhi Sadewa publicly urged Toyota last month to shift production from Thailand to Indonesia, exposing a sharp rivalry between the two countries for the same automotive investment as Thailand debates defending its Japanese-car hub status or pivoting toward Chinese EVs.
- Thailand has turned to Indonesia — not Malaysia — for help with its southern separatist insurgency, viewing Kuala Lumpur as compromised by ties to Malay-Muslim insurgents; Jakarta brokered the 2008 Bogor peace talks and signed a 2020 intelligence-sharing pact with the Thai army to track fugitives.
Why it matters: For decades Japan anchored Thailand's economy — that position now belongs to Singapore, whose 25.5% FDI share narrowly edges Japan's 24.8%, a quiet but consequential realignment of Thailand's economic gravity within ASEAN. Meanwhile, Indonesia's public lobbying of Toyota to relocate from Thailand exposes the competitive underside of an otherwise 'blooming' bilateral relationship, with both Bangkok and Jakarta now chasing the same automotive and Muslim-consumer-market investment.
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