The World Bank Put Phuket on Thailand’s Growth Map. Don’t Price It In Yet.

The World Bank published a report this week that names Phuket as one of six Thai cities worth backing outside Bangkok. The obvious reading is that money for Phuket infrastructure is on its way. It isn’t, or not yet. What the World Bank published is a model, and the most useful number in it is the one the headlines skipped.

What the World Bank said

The report is called Thailand Cities of the Future: Urban Foundations for a High-Income Economy, launched on 22 September with two Thai government planning bodies. It models 75 urban centres and asks a simple question: if Thailand spent around US$20 billion on its cities, where should the money go?

It compares three ways of splitting it. Put 80 percent into secondary cities and 20 percent into Bangkok, and national GDP per head ends up 12.4 percent above a do-nothing baseline by 2050. Flip it, 80 percent to Bangkok, and the lift is 11.6 percent. Split it evenly and you get 10.9 percent, because spreading the money thin means nowhere gets enough to matter.

Each secondary city gets a job. Chonburi and Nakhon Pathom get industry. Khon Kaen and Hat Yai get medical services and conventions. Chiang Mai and Phuket get tourism.

The case against piling more into Bangkok is its own cost. Research cited in the report puts congestion at 7 to 10 percent of the capital region’s output every year. The backdrop is Thailand’s target of high-income status by 2037, which needs roughly 5.4 percent annual growth in GDP per head. It averaged 2.2 percent from 2021 to 2024.

Read the 12.4 percent carefully

Two things about that headline figure.

First, both numbers are measured against doing nothing. The gap between “secondary cities first” and “Bangkok first” is 0.8 of a percentage point, by 2050. It is a real difference at national scale. It is not a Phuket boom.

Second, and this is the part I’d underline, the report says the Bangkok-first strategy performs better for roughly the first 15 years. The secondary-city approach only overtakes it after that. So if your plan for a Phuket property runs ten years, the model says the policy that serves the country best over your decade is the one that doesn’t favour your island.

And none of this is a budget. It is the World Bank’s recommendation. Nothing in the coverage says the Thai government has adopted the split, committed the US$20 billion, or put a date on anything.

Phuket’s job is tourism, which you knew

Being told Phuket’s future is tourism is a bit like being told Perth’s future is mining. Correct, and not news.

The more interesting detail is further down. The report lists five industries of the future for Thai cities, and one of them is wellness and sustainable tourism. That is a narrower brief than “more visitors”. Former tourism minister Weerasak Kowsurat made the related point at the launch: the visitor economy can pull skilled people and investment into a place, not just holidaymakers.

That is the Phuket I’d bet on. Not more arrivals for their own sake, but an island where people who came for a week end up staying for a year, then buying. I wrote about the access side of that in what the direct London flight changes.

What would actually change Phuket infrastructure

The report sets out five foundations for its city network. Three of them matter here, and none of them is the tourism label.

Connections within and between cities. Public transport, road networks, high-speed internet. Anyone who has done the west coast run at school time knows this is where Phuket’s constraint sits. A city named for tourism still needs its visitors and residents to get from A to B.

Infrastructure built to withstand disasters. The World Bank estimates flooding costs Thailand around US$18 billion a year, about 3 percent of GDP, and says designing for climate resilience up front adds roughly 3 percent to the build cost. On an island with a wet season, that is not an abstract line item.

Stronger local institutions. This is the sleeper. The report recommends decentralising fiscal powers and letting municipalities borrow for urban development within clear rules. A local government that can raise its own money can build its own road without waiting in the Bangkok queue. If that recommendation gets anywhere, it would do more for Phuket than the word “tourism” on page whatever.

What it means for a buyer

Buy what exists, not what is modelled. Price a Phuket property on the roads, the drainage and the services it has today. A report that might shape spending over the next decade is a reason for optimism, not a line in your valuation.

Match the report’s timeline to yours. The World Bank’s own numbers say the secondary-city payoff takes more than 15 years to show. If you are buying to live here for the long haul, that is a genuine tailwind. If you are buying to sell in five, it is background noise.

Watch the plumbing, not the press release. The signals that matter will be dull ones: a transport line funded, a drainage scheme with a budget, a municipality given borrowing powers. When those land, the specific streets they touch are where the value moves. Before you commit to any plot, check its access road and how it handles a heavy wet-season week.

What it means for an owner

If you are selling in the next year or two, don’t add the World Bank to your asking price. Buyers can read the same article, and a modelling exercise with a 2050 horizon won’t carry a premium in a negotiation. Sell on what the property is and where it sits today, which in the right corridor is already a good story. The mid-2026 market read sets out where that stands.

If you are holding for the long term, this is a quiet positive. Thailand’s development thinking is pointing towards places like Phuket, not away from them. Keep your paperwork clean and your property maintained, and let the infrastructure arrive on its own schedule. When it does, the owners who benefit most will be the ones whose streets it actually reaches.

The read

The World Bank has made a sensible case that Thailand’s next growth should come from cities like Phuket, not just from Bangkok. It is a model, not money, and its own numbers say the payoff takes longer than most property timelines. Worth watching, not worth paying for yet. The real signal will be a budget line with Phuket’s name on it.

If you are weighing a Phuket purchase or sale and want the long view without the brochure, message me on WhatsApp: +66 93 760 8561.

Source: Nation Thailand, “World Bank says investing in Thai secondary cities could lift GDP per capita 12.4% by 2050”, 23 September 2026. Figures are the World Bank’s modelling as reported by Nation Thailand.

Rex Butler, Managing Director, Butler Estates. This is general market commentary, not legal, tax or investment advice.