Advertise on Yahoo! JAPAN with Boundless
As an official sales partner of Yahoo! JAPAN, Boundless supports global advertisers and their agencies with running and managing Yahoo! JAPAN ads.
Running & Managing
Yahoo! JAPAN Ads
We can support global advertisers and their agencies with running and managing Yahoo! JAPAN Search, Display and Branding Ads.
We offer top-level support cater to our clients' needs, including clients who already have a presence in Japan or are just looking to enter the Japan market.
Japan's Top Internet Service by Number of Users
As per Nielsen’s TOP OF 2024 Digital, Yahoo! JAPAN is in the top 2 and LINE in the top 3, underscoring their enormous user base and influence in Japan’s digital landscape.
*Source: Tops of 2024: Digital in Japan - Nielsen 2024 Ranking of Number of Internet Service Users in Japan
Advantages
Ad solutions for Japan market
For years, we have been providing support to top Fortune 500 companies as well as smaller companies that span a wide range of unique and diverse industries.
Cross-border support from the US, Japan and Singapore
Our multilingual team has extensive and specialized knowledge of Yahoo! JAPAN Ads, as well as a deep understanding of market trends which enable us to offer top-level support to our clients.
Expanding your business through our scalable solutions
Our sales team works closely with our engineering team based in Silicon Valley. Utilizing AI and machine learning technologies we can help your business to grow and flourish in the Japanese market.
MEDIA PROFILE
Massive reach
Among internet users in Japan, we reach over 80% of smartphone users and over 60% of PC users.(*1)
The one and only big data
Yahoo! JAPAN gets more than 8.5 billion unique search terms.
The data volume and number of data variations stored daily across around 100 services are among the largest in Japan.(*2)
About 85 million viewers
A significant number of smartphone and PC users in Japan visit Yahoo! JAPAN. More than 80% of internet users in Japan connect to Yahoo! JAPAN daily.(*3)
Wide variety of users
Among Yahoo! JAPAN users, there is no majority demographic. You can evenly deliver information to any target demographic or audience. (*4)
TYPES OF ADS
Search Ads
Attract highly interested prospective customers
Search Ads show your ad on the search result page. Reach people who are searching "now".
Display Ads (Guaranteed)
Increase branding awareness with diverse and rich advertising expressions
It delivers highly visible image and video ads on Yahoo! JAPAN's homepage and owned pages, including Yahoo! JAPAN News.
Display Ads (Auction)
Approach potential customers
You can reach out to potential customers who may be interested in your products and services and who browse the content pages of Yahoo! JAPAN and its partner sites.
Watch Our Videos
Yahoo! Japan Frequently Asked Questions
Q. Are Yahoo Inc. and Yahoo! JAPAN the same?
A. They are independently operated companies under different corporate structures. While they share the Yahoo brand, Yahoo! JAPAN is operated in Japan by LY Corporation and is built for Japan—deeply embedded in everyday life and designed around Japanese consumer behavior. Meanwhile, Yahoo Inc. is a U.S.-based company with a long history, operating media and advertising businesses globally. Boundless is part of U.S.-based Yahoo and works closely with LY Corporation to help global advertisers and agencies succeed in Japan.
Q. Why is Yahoo! JAPAN essential in Japan?
A. Because it combines massive reach with everyday utility. Yahoo! JAPAN is one of Japan’s largest comprehensive online platforms and a key part of the country’s broader “life platform” ecosystem. Beyond a traditional portal, it functions as a multi-service digital hub—bringing together news, search, weather, finance, email, shopping, and more in one place. With reach reported at over 80% of Japan’s internet users*, it remains a central touchpoint in daily digital routines and continues to expand its offerings.
*Source: Yahoo! JAPAN Media Guide 2023
Q. How do Japanese users interact with Yahoo! JAPAN?
A. Yahoo! JAPAN serves as essential “digital infrastructure” in Japan, fulfilling a distinct role in users’ daily lives. It is a premier information portal for reliable everyday content, and users primarily visit for search, news, email, weather, shopping and finance. It also functions as a highly efficient life utility for task-oriented needs—such as checking transit schedules and disaster alerts—making it an all-in-one hub for staying informed and getting things done.
Q. Who are Yahoo! JAPAN users?
Yahoo! JAPAN’s user base is broadly balanced by gender, with 51% male and 49% female. By age, the audience is evenly distributed across generations: 19% are 13–29, 15% are 30–39, 20% are 40–49, 26% are 50–64, and 20% are 65+*—reflecting a well-rounded demographic mix.
*Source: LY Marketing Campus
Q. What ad types are available on Yahoo! JAPAN?
A. As of April 2026, Yahoo! JAPAN Display Ads and LINE Ads have been integrated into a single platform: “LY Ads Display Ads”. Yahoo! JAPAN Search Ads has also been renamed “LY Ads Search Ads”.
LY Ads (formerly Yahoo! JAPAN Ads and LINE Ads) offer the following ad types:
- LY Ads Search Ads (formerly Yahoo! JAPAN Search Ads): Text ads that appear at the top of search results based on user keywords. Effective for capturing high-intent users.
- LY Ads Display Ads (Auction) (formerly Yahoo! JAPAN Display Ads (Auction) and LINE Ads): Image or video ads delivered across Yahoo! JAPAN’s top page, news, weather, and partner sites. Performance-focused ads that use granular targeting—such as demographics, interests, retargeting, location, and device—to optimize efficiency.
- LY Ads Display Ads (Guaranteed) (formerly Yahoo! JAPAN Display Ads (Guaranteed)): Image or video ads delivered across Yahoo! JAPAN properties. Brand-focused ads that reserve high-impact placements (such as the Top Page Brand Panel) to maximize reach for product launches or major campaigns.
Q. Where do LY Ads Display Ads appear?
A. LY Ads Display Ads can be delivered across major placements within LY Corporation’s services that users engage with daily, including the Yahoo! JAPAN homepage and the LINE chat list etc.
Q. What types of targeting are available on LY Ads Display Ads?
A. Targeting options vary by ad type. Available targeting settings include:
- LY Ads Search Ads support targeting options such as device, region, day of week/time of day and site retargeting.
- LY Ads Display Ads (Auction) support targeting by device, gender, age, audience lists, day of week/time of day, region, placement and content keywords.
- LY Ads Display Ads (Guaranteed) support targeting by device, gender, age, audience lists, day of week/time of day and region.
Source
Yahoo! JAPAN Media Guide
*1 - Created exclusively by Yahoo! JAPAN based on "Nielsen NetView/Mobile NetView Custom Data Feed." Smartphone: “Nielsen Mobile NetView" Monthly average from January to December 2022
[Calculated at Yahoo! JAPAN (brand level), Visits from smartphones (including app use)] PC: “Nielsen NetView" Monthly average from January to December 2022
[Calculated at Yahoo! JAPAN (brand level), Visits from PC from home (excluding internet app use)]
*Percentages rounded to the nearest whole number; monthly active users rounded to the first three significant digits.
*2 - Yahoo! JAPAN Research （January-December 2022）
*3 - <Yahoo! JAPAN Monthly active users: About 85 million>“Nielsen Digital Content Ratings” (Monthly Total) Average monthly users, January-December 2022 [Calculated at Yahoo! JAPAN (brand level), Excluding duplicate users of smartphones and PC.] <The number of Internet users in Japan: About 100 million> Ministry of Internal Affairs and Communications, Statistics Bureau, "Estimates based on the 2022 Population Census" （Posted on December 20, 2022） Ministry of Internal Affairs and Communications "Communication Usage Trend Survey" (posted on May 27, 2022)
*Calculated based on the total population and internet usage rate shown in the previous section → Population 125.1 million x 82.9% = 103.7 million *Rounded to the first three significant digits.
*4 - “Nielsen Digital Content Ratings” (Monthly Total)
Average monthly users, January to December 2022 [Calculated at Yahoo! JAPAN (brand level), Excluding duplicate users of smartphones and PC.] *Rounded to the nearest whole number.