As the SIJORI Growth Triangle marks its 35th anniversary in 2025, this once-celebrated economic partnership faces existential questions—and surprising opportunities—amid rising geopolitical tensions, climate pressures, and a SGD $2.3 billion Johor-Singapore rail project set to break ground this June.
The Birth of a “Triangle” That Was Never Equal
The 1989 brainchild of Singapore’s then-Deputy PM Goh Chok Tong, SIJORI (Singapore-Johor-Riau) was Southeast Asia’s first subregional economic experiment, marrying Singapore’s financial muscle with Johor’s industrial land and Riau’s natural resources. But from day one, it resembled less a triangle than a lopsided seesaw: Singapore accounted for 78% of the zone’s GDP at launch while Batam’s per capita income hovered at SGD $1,200. The arrangement worked precisely because of this imbalance—Singapore offshored pollution-heavy industries, Johor became its back up manpower community (35,000 workers crossed the Causeway daily by 2000), and Riau supplied water, sand, and cheap labor.
The Water Fights We Have Always Heard About
Johor’s Linggiu Reservoir—built in the 1990s to supply 60% of Singapore’s water—became SIJORI’s most contentious asset. A 2000s Malaysian proposal to raise water prices 50x nearly collapsed the partnership, pushing Singapore to desperate measures: today, recycled NEWater meets 40% of its needs, while a S$1.1 billion desalination plant on Batam (built with Indonesian partners) aims to be operational in Q3 2025. Water used to be a Malaysian leverage since the Mahathir days, but now Malaysia relies on Singapore for cost effective water treatment instead.
The Orchid Diplomacy That Bloomed in Batam
Few know SIJORI birthed Asia’s orchid capital. By 2003, Bulan Island near Batam grew 50% of Singapore’s orchids and 400,000 pigs annually, thanks to Singaporean agritech investments. This “flower power” strategy had geopolitical roots: with 90% of Singapore’s food imported, Riau became its edible supply chain bestie. Post-COVID, Batam’s vegetable farms now supply 15% of Singapore’s leafy greens—up from 3% in 2019.
When “Growth” Meant Growing Pains
For Riau’s fishing villages, SIJORI brought whiplash. The 1990s saw Batam’s population explode from 100,000 to 1.2 million as factories sprouted. But wages increases crawled: the average factory worker earns S$320/month in 2025—just 12% of Singapore’s median. Environmental costs piled up too; as 40% of Batam’s mangroves were razed for industrial parks.
The Secret Sauce: Chinese Business Networks
Behind SIJORI’s stats lies an unsung force: the region’s ethnic Chinese tycoons. Johor’s 40% Chinese population provided cultural bridges, with clans like the Kuoks (Malaysian sugar giants) investing early in Batam resorts. Today, 68% of SIJORI’s cross-border ventures have Chinese Singaporean or Malaysian directors. This created odd hybrids: Batam’s Nagoya district serves pork ribs and bak kut teh beside Indonesian warungs—a culinary metaphor for SIJORI’s blend.
The Rail Link That Could Make—or Break—Everything
All eyes are on June’s groundbreaking for the Johor-Singapore Rapid Transit System (RTS), a 4km rail bridging Woodlands and Johor Bahru. Projected to ferry 10,000 commuters/hour by 2029, it’s a test case for deeper integration. But critics note the irony: while workers will zip across borders, Malaysia still charges Singapore $3.50 per 1,000 gallons of water—a 1961 rate.
The “Batam Bubble” Pop That Never Happened
Analysts long predicted Batam’s factory exodus as wages rose. Instead, 2022 brought a twist: Taiwanese chip giants like TSMC set up R&D hubs there, drawn by proximity to Singapore’s ports and 30% lower costs than Penang. Batam’s tech exports hit $4.7 billion in 2024—up 210% since 2020. The catch? Most workers still commute from poorer Indonesian islands, fueling tensions.
The Green Rebels Rewriting Rules
In 2023, Johor made SIJORI history by rejecting a Singaporean waste-processing plant—a first defiance of the “big brother” dynamic. The reason? Local activists exposed plans to incinerate 3,000 tons/day of Singaporean plastic. Johor’s new “green veto” policy reflects shifting power balances: with China investing $14 billion in Johor’s Forest City megaproject, Malaysia feels less beholden to Singapore.
The Ghost of Lee Kuan Yew Looms Large
SIJORI’s unspoken truth? It’s Lee Kuan Yew’s final chess move. The late PM’s 1990s “regionalization” push aimed to make Singapore the “New York of Southeast Asia”—a HQ hub with factories in Johor/Batam. Today, 63% of Singapore’s manufacturing occurs offshore, mostly in SIJORI. But Lee’s fear of over-reliance on Malaysia/Indonesia persists: Singapore’s NEWater plants can now meet 75% of demand, reducing Johor’s clout.
The S$100 Billion Question: Can SIJORI Survive China’s Silk Road?
Beijing’s Belt and Road Initiative (BRI) seems to be a complex path to navigate. China’s S$2.1 billion Batam Industrial Park upgrade (2024) aligns with its “Maritime Silk Road,” threatening Singapore’s middleman role. Meanwhile, Malaysia courts BRI cash for Johor’s ports. SIJORI’s original vision—ASEAN integration—now battles a larger player of regional influence.
The Bottom Line for SIJORI’s and Beyond
At 35, SIJORI is neither triumph nor failure—it’s a mirror. For Singapore, it reflects the limits of a city-state’s reach; for Johor, the perils of proximity to a wealthier neighbor; for the Riau Islands, the paradox of growth without equity. Yet its legacy is undeniable: 44% of Southeast Asia’s cross-border investments now follow SIJORI-like models. As the RTS rail inches forward, SIJORI’s lesson endures: in economics, as in geometry, triangles are stable—but only if all sides bear weight.
Sources:
[1] [PDF] The SIJORI Growth Triangle: Progress, Problems and Prospect
[2] SIJORI Agricultural Cooperation in the Riau-Singapore Leg
[3] SIJORI Growth Triangle: The Key to Reducing Costs for Singapore …
[4] Sijori – Wikipedia bahasa Indonesia, ensiklopedia bebas
[5] Indonesia–Malaysia–Singapore growth triangle – Wikipedia
[6] SIJORI Growth Triangle: A Tale of Cross-Border Collaboration
