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A fact you cannot check around

What it means that Japan has no licensing regime for online casinos

No Japanese authority issues licences for online casinos. With no authority there is no register, and so there is no list of approved operators and no list of rejected ones. The route by which a reader would check an operator against an official source was never laid down. This page sets out that shape, and what the record of 100 operators leaves in its place.

What it means that the category does not exist

Japanese law contains no licensing category aimed at online casinos. With no category, there is no office to receive an application. With no office, there is no register of operators that passed review.

This is not “strict” and it is not “lax”. It is “absent”.

Those three words get mixed up often. A strict regime means the conditions for a licence are heavy. A lax regime means they are light. No regime means the conditions were never defined at all — and for a reader that shows up as the absence of a tool for checking anything.

Set it beside a neighbouring country and the difference is plain. A reader in Poland opens the finance ministry's page, types in a domain, and sees within seconds whether that operator is on the register. A reader in Japan has no such screen, because there is no address to open.

The National Police Agency investigates; it does not license

Japanese articles on this subject mention the National Police Agency often. But the context in which it appears is investigation, not licensing.

An authority that investigates and an authority that licenses are different functions.

Open the NPA's site and no list of approved operators appears, because there is no basis on which to compile one. If an operator writes that it is “registered with the National Police Agency”, that cannot hold — there is no registration scheme for it to have joined.

This site does not call the NPA a regulator, and does not write that it permitted, approved or authorised anything. What can be written is that it is the agency that investigates gambling offences.

Betting is governed by the Penal Code

Betting itself is governed by the Penal Code. Not by a special statute for online casinos, but by the general provisions there that deal with betting.

This site does not print article numbers.

The reason is simple. We have no arrangement for reading statutes through as primary sources. Copying a number out of somebody else's article while lacking that arrangement means putting an unverified figure into our own words. There is no material difference between inventing a number and copying one.

For the same reason we print no fine amounts and no sentence lengths. Those turn on how the text is read and on the facts of an individual case, and they are not the kind of figure a comparison site can drop into a table and be done. Leaving them out is not avoidance; it is a decision not to paper over what we have not checked with the appearance of having checked it.

The line at 20

Japan's age of majority fell to 18 in 2022. The line for anything involving betting stayed at 20 when it did.

This site is not for readers under 20.

Operators have age clauses too. But those are conditions an operator wrote into its own terms, and they are separate from the Japanese line. The two do not necessarily agree, and neither one alone settles the question.

Ten operators. Every cell is taken from a licence register or from the operator's own terms. A blank means we could not read it — never “zero”, never “no limit”. There is no column for a Japanese licence, because Japan has no licensing regime for online casinos to issue one.
OperatorLicenceBefore the ID checkCoinsBarred countriesOpen
VaveCuraçao Gaming Authorityno figure given6list unreadOpen
RocketpotCuracaoUS$2,5001334
DuckDiceAnjouan Gaming Boardno figure given1016
Empire.ioAnjouan Gaming Board2,000 USDTunread12
MetaspinsCuraçao Gaming Authorityno figure given858
RainbetAnjouan Gaming Boardno figure given911
ShuffleCuraçao Gaming Authorityno figure given615
Wild.ioCuraçao Gaming Authorityno figure given1245
Wolf.betAnjouanno figure given1348
BitslerCuraçao Gaming Authorityno figure givenunread1

Vave is this site's commercial partner, and the link on that row is paid placement: if a reader opens an account, this site is paid. The order of the table is not set by that payment. Vave is excluded from every count and every ranking on this page. We have not read its list of barred countries, so that cell stays “list unread”.

The most common shape of reader question is about what happens to them personally. This site does not answer that.

Making the determination is not a comparison site's job.

What can be answered is the shape of the regime. That Japan has no licensing regime for online casinos. That the operators compared here hold no Japanese licence. That they could not hold one. That betting is governed by the Penal Code. Those four are checkable facts, not legal conclusions.

We do not make the opposite assertion either. Writing that a given reader is acting unlawfully, or writing about how the law applies to them, is outside this site's range. A page full of flat assertions reads more easily, but ease of reading is a different thing from being right.

What is left when you cannot check

Finding out there is no official source to query does not leave a reader with nothing to do. It moves the object of the check from the country to the operator.

Operators publish five documents about themselves.

The licence number and its issuer. The list of coins accepted. The payout ceiling. The clause saying when identity papers are required. And the list of countries not accepted. All five are written by the operator, and anyone can open them. Across the record of 100, the number was filled in for 68, the country list for 38, the coins for 30, the payout ceiling for 14, and the identity-check figure for 5.

The gap between operators who write these things and operators who do not is exactly the gap in what a reader has to work with. What to open and where is set out step by step on the check-it-yourself page, and how the documents themselves are read is on how we read the terms.

When Japan's name appears in the operator's own papers

There is no register on the state's side, but Japan's name does appear in operators' own documents: on the list of countries they will not accept.

Of the 38 lists we could read, 7 name Japan.

That is not a record of Japanese law shutting an operator out. It is a record of an operator writing that it declines Japanese accounts. The direction is reversed — and it is the direction more likely to cost a reader something, because an account can open and then stop at the withdrawal.

The seven names and the length of each list are on the barred-countries page, and the way brands running on one number give different answers is on the operating-company page.

Questions

Is there a Japanese authority that licenses online casinos?
There is not. The category of licence does not exist in Japan at all. With no category there is no office receiving applications, and no register of operators that passed review. There is no official screen on which an operator can be looked up.
Does the National Police Agency license or register operators?
No. The National Police Agency investigates gambling offences; it is not in a position to license online casinos. Investigating and licensing are different functions, and Japan has only the first. Nowhere on this site is the NPA called a regulator.
Does a foreign licence mean an operator is approved in Japan?
It does not. Japan has no category for that licence, so there is nothing for it to substitute for. A Curaçao or Anjouan registration answers one question: whether the issuing body still holds that registration. What is inside a number is opened on the licence page.
What is the minimum age?
This site is not for readers under 20. The age of majority fell to 18 in 2022, but the line for anything involving betting stayed at 20. The age condition an operator writes into its own terms is a separate matter and varies from operator to operator.
Does this site draw legal conclusions?
It does not. Ruling on whether a reader's conduct is unlawful is not a comparison site's job, and this site has no standing to answer it. What can be written is the shape of the regime: that there is no licensing regime, that the operators compared here hold no Japanese licence and could not, and that betting is governed by the Penal Code.
Why do you not cite article numbers?
Because copying a number out of somebody else's article means presenting an unverified figure as our own. This site has no arrangement for reading statutes as primary sources. So we name the law and leave the numbers out. For the same reason we print no fine amounts.

Written by the kasoutsuka-casino desk

we read operators' terms and licence registers Updated 3 September 2026