⚡ Advertising in Japan

Online advertising is done using various technologies, including advertising networks, ad servers, demand-side platforms (DSPs), and supply-side platforms (SSPs).

Japan is an East Asian country with a population of around 125 million people.

According to our research, online advertising platforms are detected on 15.4% of websites from Japan.

⭐ Most Popular in 2026

The following chart shows the top online advertising platforms in Japan in 2026, based on market share.

The most popular is Google AdSense, which dominates the market with a substantial 59.9% share.
It is followed by Google Ads with 27.2% and Google Marketing Platform with 16.3%.

Google AdSense 59.9%
Google Ads 27.2%
Google Marketing Platform 16.3%
Quantcast 16.1%
Google AdSense for Platforms 7.9%
Google Ad Manager 6.3%
Yahoo! Japan Retargeting 5.7%
Google AdSense for Domains 2.6%
Criteo 2.6%
Amazon Advertising 2.6%
MicroAd 2%
Fluct 1.7%
The Moneytizer 1.6%
Microsoft Advertising 1.4%
i-mobile 1.4%

🚀 Highlights

Here is a list of the top online advertising platforms that are more popular in Japan than worldwide.
Differences between global and country rankings are shown in parentheses.

3. Google Marketing Platform ^(-9)
4. Quantcast ^(-7)
6. Google Ad Manager ^(-1)
7. Yahoo! Japan Retargeting ^(-43)
11. MicroAd ^(-82)
12. Fluct ^(-76)
13. The Moneytizer ^(-34)
15. i-mobile ^(-100)
16. Flux AutoStream ^(-109)
17. Geniee ^(-111)

✨ Best Online Advertising Platforms

Below is a more detailed list of the top 25 of the 125 online advertising platforms used on sites from Japan, ranked by their market share.

Rank	Name	Market share
1	Google AdSense Mountain View, California, United States An advertising network that lets publishers earn revenue by displaying targeted ads on their websites. $$$	59.9%
2	Google Ads Mountain View, California, United States A pay-per-click advertising platform owned by Google that allows businesses to display ads across Google Search, YouTube, Maps, and a large network of third-party partner sites including ones monetizing through Google AdSense.	27.2%
3	Google Marketing Platform Mountain View, California, United States An online advertising and analytics platform from Google.	16.3%
4	Quantcast San Francisco, California, United States A digital platform specializing in real-time advertising, audience measurement and consent management. Free$$$	16.1%
5	Google AdSense for Platforms Mountain View, California, United States An enterprise advertising solution that enables content platforms, CMSs, and site builders to embed Google AdSense monetization natively into their services.	7.9%
6	Google Ad Manager Mountain View, California, United States An ad management and ad exchange platform for large publishers who have significant direct sales, that enables them to serve and sell advertising inventory across websites and mobile apps.	6.3%
7	Yahoo! Japan Retargeting Tokyo, Japan Allows your Search Ads to be displayed for the users who have visited your site and then searched the products or services relevant to your Ads on the search engine.	5.7%
8	Google AdSense for Domains Mountain View, California, United States Enables domain registrars and large domain portfolio owners to earn revenue by displaying targeted Google ads on parked domains.	2.6%
9	Criteo Paris, France A French performance advertising platform focused on commerce media and retargeting.	2.6%
10	Amazon Advertising Seattle, Washington, United States A pay-per-click advertising platform used to display ads on Amazon.com, IMDb, Twitch, and other sites.	2.6%
11	MicroAd Tokyo, Japan A Japanese advertising platform offering demand-side and supply-side solutions.	2%
12	Fluct Tokyo, Japan A Japanese programmatic advertising platform.	1.7%
13	The Moneytizer Paris, France A global advertising platform offering header bidding and revenue optimization services.	1.6%
14	Microsoft Advertising Redmond, Washington, United States A pay-per-click advertising platform that allows businesses to run search and audience ads across Bing, Yahoo!, DuckDuckGo, and partner networks.	1.4%
15	i-mobile Tokyo, Japan A Japanese advertising network.	1.4%
16	Flux AutoStream Tokyo, Japan An all-in-one solution for digital publishers that maximizes ad revenue while reducing reliance on human operations.	1.3%
17	Geniee Tokyo, Japan A Japanese advertising technology company that provides a Supply-Side Platform and a Demand-Side Platform to connect publishers and advertisers for automated online ad buying and selling.	0.9%
18	Taboola New York, United States A native advertising platform that connects publishers with a network of advertisers interested in placing sponsored content on their sites. $$$	0.9%
19	InMobi Bengaluru, India A mobile advertising platform that helps app developers and publishers monetize their apps by serving ads to users on mobile devices.	0.7%
20	Sovrn Boulder, Colorado, United States A programmatic advertising and publisher platform.	0.7%
21	Rentracks	0.6%
22	AdRotate Den Helder, Netherlands An advertising manager plugin for WordPress that features unlimited ad units, automatic ad rotation and integration with Google AdSense, Google Ad Manager, Amazon Ads, Media.net and more. FreeOpen source€49.00+	0.6%
23	LinkedIn Ads Mountain View, California, United States An advertising platform that allows businesses to create and run targeted campaigns to reach specific professional audiences on LinkedIn.	0.5%
24	Magnite New York, United States An omnichannel supply-side and CTV/video advertising platform formed in 2020 through the merger of Rubicon Project and Telaria.	0.5%
25	SmartNews Ads Tokyo, Japan A Japanese advertising platform that delivers advertisements in a variety of formats, including in-feed ads, video ads, and display ads, on smartphone-based services, such as the SmartNews news app.	0.5%

👉 See Also

🌎 Advertising in other countries

Data is based on the analysis of 157,205 websites from Japan.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.