South Korea Online Advertising Market Size, Share, Trends and Forecast by Type and Region, 2025-2033

Report Format: PDF+Excel | Report ID: SR112025A39415

South Korea Online Advertising Market Overview:

The South Korea online advertising market size reached USD 4.9 Billion in 2024. The market is projected to reach USD 13.2 Billion by 2033, exhibiting a growth rate (CAGR) of 11% during 2025-2033. The market is expanding due to higher digital media consumption, increased smartphone penetration, and rising demand for targeted mobile campaigns. In addition, growing investment in performance-based formats and data-driven strategies continues to support South Korea online advertising market share across key consumer-facing industries.

Report Attribute	Key Statistics
Base Year	2024
Forecast Years	2025-2033
Historical Years	2019-2024
Market Size in 2024	USD 4.9 Billion
Market Forecast in 2033	USD 13.2 Billion
Market Growth Rate 2025-2033	11%

South Korea Online Advertising Market Trends:

Growing Focus on Mobile Advertising

The South Korea online advertising market growth is being driven by smartphone adoption and changing consumer behavior toward mobile-first content consumption. With more consumers using mobile devices for search, online shopping, entertainment, and social media, marketers are aligning their strategies to keep up with this trend. Mobile platforms are now at the forefront of campaigns, with businesses emphasizing responsive design, location targeting, and mobile video ads to gain attention. An increasing amount of spending occurs via mobile apps, which are thus important platforms for brand promotion. Mobile gaming app, video-sharing app, and social media advertising becomes increasingly targeted with the help of data analysis and AI. Personalization in real-time is trending, enhancing user experience and advertisement performance. Younger South Korean consumers have a high rate of response to in-app promotions, stories, and reels among mobile ad types. The construction of 5G networks has also enabled advertisers to provide better-quality content more quickly, such as interactive and AR-based campaigns. Integration with in-app purchases and mobile wallets supports this system further. These innovations, coupled with an increasing short-form content and mobile commerce inclination, are anticipated to maintain mobile advertising as the leading force driving South Korea's digital marketing business into the future.

Shift Toward Performance-Based Formats

In South Korea’s online advertising market, there is a noticeable trend toward performance-based formats, driven by the need for more measurable and outcome-focused campaigns. Advertisers now prioritize platforms and tools that offer real-time tracking, allowing them to optimize ad spend based on user actions such as clicks, downloads, and purchases. This model appeals particularly to e-commerce, app developers, and fintech sectors, which require clear return on investment for each campaign. Programmatic advertising is on the rise, enabling more efficient media buying through automated bidding. Customer data platforms (CDPs) and analytics tools are enhancing audience segmentation, helping marketers reach more relevant users. As brands seek to personalize experiences, retargeting strategies and conversion tracking are becoming essential. Influencer marketing is also evolving, with a stronger focus on affiliate links and trackable engagement rather than pure visibility. Recent developments include integration of machine learning to optimize bidding strategies, greater use of AI in predictive targeting, and increased transparency in ad metrics. Native advertising and sponsored content that blends with platform design are gaining favor as users become more selective. The shift to performance metrics reflects a broader industry move toward accountability and efficiency, pushing advertisers to adopt smarter, results-driven digital strategies in the region.

South Korea Online Advertising Market Segmentation:

IMARC Group provides an analysis of the key trends in each segment of the market, along with forecasts at the country and regional level for 2025-2033. Our report has categorized the market based on type.

Type Insights:

Search
Display
Classified
Video
Others (Lead Generation, Rich Media, etc.)

The report has provided a detailed breakup and analysis of the market based on the type. This includes search, display, classified, video, and others (lead generation, rich media, etc.).

Regional Insights:

Seoul Capital Area
Yeongnam (Southeastern Region)
Honam (Southwestern Region)
Hoseo (Central Region)
Others

The report has also provided a comprehensive analysis of all the major regional markets, which include Seoul Capital Area, Yeongnam (Southeastern Region), Honam (Southwestern Region), Hoseo (Central Region), and others.

Competitive Landscape:

The market research report has also provided a comprehensive analysis of the competitive landscape. Competitive analysis such as market structure, key player positioning, top winning strategies, competitive dashboard, and company evaluation quadrant has been covered in the report. Also, detailed profiles of all major companies have been provided.

South Korea Online Advertising Market News:

May 2025: AnyMind Group partnered with NDSoft and NextPaper to launch an automated ad solution for 3,300+ Korean media firms. Integrated with NDSoft’s CMS, it improved ad delivery and revenue tracking, enhancing efficiency and boosting South Korea's online advertising market development and monetization potential.
December 2024: Retail Media Networks gained momentum in South Korea, led by firms like Coupang, Naver, and Lotte. RMNs enhanced ad personalization by integrating AI and real-time consumer data, marking a key shift in online advertising and accelerating market growth and digital innovation.

South Korea Online Advertising Market Report Coverage:

Report Features	Details
Base Year of the Analysis	2024
Historical Period	2019-2024
Forecast Period	2025-2033
Units	Billion USD
Scope of the Report	Exploration of Historical Trends and Market Outlook, Industry Catalysts and Challenges, Segment-Wise Historical and Future Market Assessment: Type Region
Types Covered	Search, Display, Classified, Video, Others (Lead Generation, Rich Media, Etc.)
Regions Covered	Seoul Capital Area, Yeongnam (Southeastern Region), Honam (Southwestern Region), Hoseo (Central Region), Others
Customization Scope	10% Free Customization
Post-Sale Analyst Support	10-12 Weeks
Delivery Format	PDF and Excel through Email (We can also provide the editable version of the report in PPT/Word format on special request)

Key Questions Answered in This Report:

How has the South Korea online advertising market performed so far and how will it perform in the coming years?
What is the breakup of the South Korea online advertising market on the basis of type?
What is the breakup of the South Korea online advertising market on the basis of region?
What are the various stages in the value chain of the South Korea online advertising market?
What are the key driving factors and challenges in the South Korea online advertising market?
What is the structure of the South Korea online advertising market and who are the key players?
What is the degree of competition in the South Korea online advertising market?

Key Benefits for Stakeholders:

IMARC’s industry report offers a comprehensive quantitative analysis of various market segments, historical and current market trends, market forecasts, and dynamics of the South Korea online advertising market from 2019-2033.
The research report provides the latest information on the market drivers, challenges, and opportunities in the South Korea online advertising market.
Porter's Five Forces analysis assists stakeholders in assessing the impact of new entrants, competitive rivalry, supplier power, buyer power, and the threat of substitution. It helps stakeholders to analyze the level of competition within the South Korea online advertising industry and its attractiveness.
Competitive landscape allows stakeholders to understand their competitive type and provides an insight into the current positions of key players in the market.

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South Korea Online Advertising Market