฿45 million for a number plate: the state's numerology business

The most expensive vehicle registration in Thai history, 9กก 9999, sold at a government auction in December 2022 for ฿45.09 million, after 202 bids.

Not the car. The plate.

And the money went to the Road Safety Fund, which by its own account spends it on road-safety projects, on equipment for people disabled in crashes and on research. Which means, if you follow it through: numerological belief in auspicious numbers is directly financing accident prevention in Thailand.

I’ve been trying for two days to think of a more elegant piece of public finance anywhere in the world and I can’t.

How it works, and how much it makes

The Department of Land Transport auctions desirable registration numbers: low digits, repeated digits and combinations considered auspicious. The Road Safety Fund was created to receive the money by an amendment to the Motor Vehicle Act in 2003. Bidding happens in the room and online at tabienrod.com, and the results are published.

It is not a sideline. Across every category of plate, the auctions put ฿4,046.98 million into the Fund in fiscal year 2022, on the Department’s own figure. That is about ฿11 million a day.

The auctions that make the news are a small part of that: new Bangkok series, and the themed plates whose letters spell a word. From Thai reporting of the Department’s results:

Tens of millions of baht a round for arrangements of digits on aluminium, and more than ฿4 billion in a year once every ordinary series is counted.

Look at two of those prices. 8กษ 8888 went for ฿5,555,555, and in the 9กก auction, 9กก 8888 went for ฿8,888,888. Even the winning bids were auspicious numbers.

Note the lot names, incidentally. Dragon 999. Happiness 8. Eternity 888. Love You 1. Darling 8888. The letter prefixes are read as words, which means the state is not merely selling numbers. It’s selling phrases. Someone at the Department of Land Transport is curating this, and they are very good at their job.

The themed plates are made differently too: printed flat, without embossing or a border, with a graphic design. And on the Department’s own description they can be transferred to someone else or left in a will, which is to say they are property.

Why these numbers

Briefly, and without pretending it’s more systematic than it is.

9 is the most desirable digit in Thai numerology. In Thai, the word for nine — kao — is a near-homophone for ก้าว, to step forward, to progress. A plate of nines reads as advancement.

8 carries prosperity associations, reinforced by Chinese influence, where the number’s auspiciousness is well established.

Repetition amplifies. Low numbers signal seniority and scarcity. And the letter prefix that happens to spell something desirable multiplies everything.

None of this is codified in any official document. It’s convention, widely shared, and, crucially, the state has decided to price it rather than argue with it.

The comparison that makes this interesting

Here is where it gets genuinely instructive, and it requires reading this alongside the underground lottery piece.

The Thai state was, for most of a century, catastrophically bad at selling lottery numbers. The illegal lottery is estimated at four to five times the government’s, and the reason is a product failure: the printed lottery sells you numbers from inventory. If the number you want doesn’t exist in the box, you can’t have it. In a market where the specific number is the entire point, that is a fundamental misunderstanding of what’s being sold — and it took until November 2024, and a digital three-digit product called N3, for the lottery office to start selling any number at all.

The Thai state is superb at selling registration numbers. Because here it does the opposite. It identifies exactly which numbers people want, auctions those specific numbers, lets price discovery happen in the open, and books the revenue.

Same country. Same beliefs. Same underlying demand for auspicious digits. One agency understood the product and the other didn’t, and in fiscal year 2022 the difference was worth more than ฿4 billion to the one that did.

If the Government Lottery Office ever wonders why it’s losing to men with notebooks, the answer is two ministries away and running a very successful auction.

What this tells you about the parallel economy

Three pieces on this site describe the same phenomenon: the underground lottery, the amulet market and informal savings circles. All are value and financial behaviour operating outside the formal system.

The number plate auction is the formal system doing it properly, and it demonstrates something important: the beliefs aren’t the problem. They’re demand. When the state builds a product that respects the demand (the specific number, openly priced, publicly awarded) it collects billions and funds road safety with it.

When it builds a product that ignores the demand, people go to the man on the corner.

That’s not a story about superstition. It’s a story about product design, and it applies to considerably more than numbers.

Common misconceptions

“It’s a novelty.” More than ฿4 billion in fiscal year 2022, across every category of plate. It’s a functioning revenue programme.

“Only the very rich participate.” Headline lots reach millions, but auctions contain a wide range of plates and a wide range of prices.

“It’s uniquely Thai.” Plenty of countries sell personalised registrations. What’s distinctive here is that the desirability is numerological rather than personal (you’re not buying your initials, you’re buying an auspicious arrangement) and that the state has systematised it to this degree.

“The money disappears.” Proceeds go to the Road Safety Fund, which publishes what it pays for: road-safety projects, equipment for people disabled in crashes, research, and the running of the auctions themselves.

“You can resell at a profit.” People treat these as assets and some appreciate. As with amulets, it’s an illiquid, sentiment-driven market and anyone approaching it as an investment should weigh both words.

Final thoughts

There is a version of Thailand that foreigners find easy to write about — the one where people believe in lucky numbers, and this is offered as evidence of charming irrationality.

Then there’s the version where the Department of Land Transport identified an unpriced belief, built an auction around it, raised over a hundred million baht in a single round, and spent it on stopping people dying on the roads.

The second version is the same country. It’s simply told by someone who thinks the belief is data rather than a punchline.

฿45 million for 9กก 9999. Somebody wanted those four nines very badly, and because of that, somewhere, there is a safer stretch of road.

I’d call that a well-designed country, on this specific point, on this specific day.