Is Vietnam Poised to Overtake Thailand’s Economy?

BANGKOK – For decades, Thailand has held the mantle of Southeast Asia’s second-largest economy, a regional powerhouse fueled by its “Detroit of the East” automotive hub and a world-class tourism sector. However, as we enter 2026, the economic tectonic plates are shifting.

Recent projections from Nikkei Asia and the OECD suggest that Vietnam is on the verge of surpassing Thailand in total nominal GDP as early as this year or 2027. This transition marks a historic moment for the region, signaling a “changing of the guard” driven by Vietnam’s manufacturing boom and Thailand’s struggle with deep-seated structural issues.

The Tale of the Tape: 2026 Projections

Vietnam’s Surge: The “Golden Population” Dividend

Vietnam’s rise is no accident; it is the result of aggressive infrastructure spending and a demographic advantage that Thailand can no longer match.

• Infrastructure Blitz: Hanoi has planned a 26% increase in public investment for 2026. Key projects, such as the Long Thanh International Airport and high-speed rail links to China, are expected to add 1.6 percentage points to the national growth rate alone.
• FDI Magnet: As global firms diversify away from China, Vietnam has become the primary beneficiary. In 2025, Vietnam’s electronics exports reached record highs, while Thailand saw manufacturing exits from brands like Suzuki and production cuts from Honda.
• The Youth Factor: Roughly 67% of Vietnam’s 100 million people are of working age. This “golden population” provides a cheap, trainable labor pool that continues to attract high-tech investment.

Thailand’s Headwinds: A Structural “Nightmare”

In Bangkok, the mood is more cautious. Prime Minister Anutin Charnvirakul recently described the prospect of being overtaken by Vietnam as a “nightmare” for the nation.

• The Demographic Trap: Thailand is officially an “aged society.” With 20% of the population over 60, a shrinking workforce is struggling to support a growing welfare burden, stifling long-term productivity.
• Household Debt: High levels of private debt continue to suppress domestic consumption, leaving the economy overly reliant on a tourism sector that has been slow to return to pre-pandemic peaks.
• Political & Regional Tensions: Ongoing political uncertainty and recent border frictions have created a “wait-and-see” attitude among some foreign investors, further slowing the capital inflows Thailand desperately needs.

The “Wealth” Caveat

While Vietnam may soon win the race for total economic size, it is not yet “richer” than Thailand.

“It is a game of scale versus standard of living,” notes one regional economist. “Vietnam has 30 million more people. Even if their total GDP exceeds Thailand’s, the average Thai citizen will still enjoy a per capita income significantly higher—roughly $8,000 compared to Vietnam’s projected $5,000.”

The Verdict

Vietnam is undoubtedly the new engine of ASEAN growth. For Thailand to maintain its relevance, the 2026 fiscal year must move beyond simple stimulus and toward radical structural reform—addressing the aging workforce and pivoting toward high-value digital and green industries.

In summary, while Thailand enjoys higher living standards (per capita) and a more diversified mature economy, Vietnam’s sheer scale and rapid momentum position it to claim the larger overall economy very soon.

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