South Korea's total advertising market reached 17.4 trillion KRW last year, driven by digital channels. This data reveals a market where 76% of Gen Z discover brands on YouTube, while traditional TV ad trust has fallen to 52%.
Key Takeaways
- 58% of millennials engage with brands via Instagram in Korea 2023.
- Programmatic advertising accounted for 45% of digital ad spend in 2023.
- In 2023, South Korea's total advertising market size reached 17.4 trillion KRW, reflecting a 4.2% year-over-year growth driven by digital channels.
- Outdoor advertising spend reached 1.9 trillion KRW in 2023, up 5%.
- Regulatory fines for false ads totaled 1.2 billion KRW in 2023.
- TV advertising spend totaled 5.8 trillion KRW in 2023, down 3% YoY.
Korean advertising spending is steadily rising, showing strong growth and sustained demand in the market.
Related reading
01 · Category
Consumer Trends14 stats
01
58% of millennials engage with brands via Instagram in Korea 2023.
02
Ad recall from digital video ads was 68% among 18-34s in 2023.
03
45% of consumers prefer shoppable ads on social media in 2023.
04
TV ad trust levels dropped to 52% from 65% in 2019 per 2023 poll.
05
76% of Gen Z discover brands via YouTube in Korea 2023.
06
Mobile ad click-through rates averaged 1.8% in e-commerce 2023.
07
62% avoid brands with intrusive ads, per 2023 Korean survey.
08
Personalized ads boost purchase intent by 34% in 2023 studies.
09
OOH ads influence 28% of path-to-purchase decisions 2023.
10
81% of consumers use ad blockers on mobile in 2023.
11
Sustainability-themed ads resonate with 55% of audience 2023.
12
Voice search ads clicked 2.5x more by seniors in 2023.
13
Cross-device ad consistency lifts recall by 22% in 2023.
14
K-content tied ads see 40% higher engagement rates 2023.
Interpretation
Consumer Trends Interpretation
While Korean marketers are masterfully navigating a digital ecosystem where attention is won on Instagram and YouTube with personalized, shoppable content, they must tread carefully, as today's empowered consumer will swiftly block intrusive ads yet warmly reward those that feel authentic, consistent, and culturally resonant.
02 · Category
Digital Advertising17 stats
01
Programmatic advertising accounted for 45% of digital ad spend in 2023.
02
Mobile ad spend in South Korea reached 8.7 trillion KRW in 2023, 52% of total digital ads.
03
Search advertising revenue grew 12% YoY to 4.2 trillion KRW in 2023, led by Naver and Google.
04
Social media ads comprised 28% of digital spend, totaling 3.1 trillion KRW in 2022.
05
Video ad spend on digital platforms surged 22% to 2.8 trillion KRW in 2023.
06
E-commerce advertising within digital channels hit 5.1 trillion KRW, 35% growth in 2023.
07
CTV and OTT ad revenue reached 1.2 trillion KRW in 2023, up 40% from 2022.
08
Influencer marketing spend in digital ads was 0.9 trillion KRW, 18% of social ads in 2023.
09
Native advertising revenue grew to 1.5 trillion KRW, 11% of digital market in 2023.
10
Digital display ads excluding video were 2.3 trillion KRW, flat growth in 2023.
11
Digital out-of-home (DOOH) ads integrated with mobile reached 0.6 trillion KRW in 2023.
12
Affiliate marketing digital spend was 0.4 trillion KRW, growing 15% YoY in 2023.
13
Email marketing ROI in digital ads averaged 42:1 in Korean campaigns 2023.
14
Retargeting ads captured 25% of digital display budget in 2023.
15
Connected TV ad completion rates averaged 85% on Korean platforms in 2023.
16
Podcast advertising in digital space grew to 0.15 trillion KRW in 2023.
17
Gaming in-app ad revenue hit 1.1 trillion KRW, 14% of mobile ads in 2023.
Interpretation
Digital Advertising Interpretation
While Google and Naver are still kings of search, Korea's digital ad landscape is now a ruthless, multi-screen monarchy where programmatic robots, mobile scrolls, social feeds, and shopping videos all battle for the crown, leaving flat old display ads looking like a forgotten court jester.
03 · Category
Market Size and Revenue16 stats
01
In 2023, South Korea's total advertising market size reached 17.4 trillion KRW, reflecting a 4.2% year-over-year growth driven by digital channels.
02
Advertising expenditure per capita in South Korea was approximately 340,000 KRW in 2022, one of the highest in Asia.
03
The Korean ad industry's GDP contribution stood at 1.8% in 2023, supporting over 250,000 jobs nationwide.
04
Total ad spend grew by 6.1% to 18.2 trillion KRW in Q4 2023, boosted by holiday campaigns.
05
South Korea's ad market is projected to hit 20.1 trillion KRW by 2027, with a CAGR of 3.8% from 2024-2027.
06
In 2022, agency commissions accounted for 12.5% of total ad spend, totaling 2.1 trillion KRW.
07
Foreign brands contributed 15% to Korea's ad spend in 2023, up from 11% in 2020.
08
Seoul metropolitan area captured 68% of national ad expenditure in 2023.
09
Ad spend inflation-adjusted growth was 2.9% in 2023 amid economic pressures.
10
Total media ad revenue including production costs was 22.5 trillion KRW in 2022.
11
In 2023, South Korea's total advertising market size reached 17.4 trillion KRW, reflecting a 4.2% year-over-year growth driven by digital channels.
12
Advertising expenditure per capita in South Korea was approximately 340,000 KRW in 2022, one of the highest in Asia.
13
The Korean ad industry's GDP contribution stood at 1.8% in 2023, supporting over 250,000 jobs nationwide.
14
Total ad spend grew by 6.1% to 18.2 trillion KRW in Q4 2023, boosted by holiday campaigns.
15
South Korea's ad market is projected to hit 20.1 trillion KRW by 2027, with a CAGR of 3.8% from 2024-2027.
16
In 2022, agency commissions accounted for 12.5% of total ad spend, totaling 2.1 trillion KRW.
Interpretation
Market Size and Revenue Interpretation
South Korea's ad industry, a relentless economic engine fueled by digital clicks and holiday splurges, proves that selling things to each other at an impressive clip is both a national pastime and a serious pillar of the economy, keeping Seoul at the center and the whole country employed.
More related reading
04 · Category
Outdoor and Print14 stats
01
Outdoor advertising spend reached 1.9 trillion KRW in 2023, up 5%.
02
Billboard OOH captured 55% of outdoor spend at 1.05 trillion KRW 2023.
03
Transit advertising (subway/bus) totaled 0.6 trillion KRW in 2023.
04
Digital OOH screens numbered over 45,000 units in Seoul by end-2023.
05
Street furniture ads (benches, kiosks) were 0.25 trillion KRW 2023.
06
Print outdoor like posters declined 4% to 0.1 trillion KRW 2023.
07
Airport advertising revenue hit 0.15 trillion KRW post-travel boom 2023.
08
Retail in-store ads and POP displays totaled 0.8 trillion KRW 2023.
09
OOH ad impression rates averaged 2.5 billion daily in urban Korea 2023.
10
LED screen OOH grew 18% to 0.4 trillion KRW in 2023.
11
Sponsorship OOH like events was 0.3 trillion KRW in 2023.
12
Rural OOH spend was only 5% of national total in 2023.
13
Interactive OOH touchpoints reached 1,200 sites in 2023.
14
72% of Korean consumers noticed OOH ads weekly in 2023 survey.
Interpretation
Outdoor and Print Interpretation
Korea's outdoor ad industry clearly believes that if you’re not a dazzling digital screen on a Seoul street corner, you're basically just wallpaper, as evidenced by billboards commanding over half the budget while humble posters fade into oblivion.
05 · Category
Regulations and Insights15 stats
01
Regulatory fines for false ads totaled 1.2 billion KRW in 2023.
02
KCC monitored 15,000 digital ad complaints, resolving 92% in 2023.
03
Data privacy law amendments affected 25% of ad tech firms in 2023.
04
Gender-neutral ad guidelines adopted by 60% agencies post-2023.
05
AI-generated ad content scrutiny led to 300 bans in 2023.
06
Tobacco ad bans enforced zero violations in online spaces 2023.
07
Alcoholic beverage ad time slots restricted to 19% of TV airtime 2023.
08
Greenwashing ad penalties rose 150% to 500 million KRW in 2023.
09
85% agencies compliant with cookie-less tracking mandates 2023.
10
Election ad spends capped at 500 billion KRW nationally in 2023.
11
Pharma ad disclosures required in 95% of digital health ads 2023.
12
Cross-border ad tax reforms impacted 10% revenue in 2023.
13
Diversity quotas in ad casting reached 40% compliance 2023.
14
Blockchain for ad transparency piloted by 20 agencies in 2023.
15
Metaverse ad guidelines issued, covering 50 virtual events 2023.
Interpretation
Regulations and Insights Interpretation
Korean advertisers are navigating a minefield of regulations—from gender-neutral casting to AI bans and greenwashing fines—with the grim determination of students cramming for finals, knowing that one false move could cost them millions.
06 · Category
Traditional Media14 stats
01
TV advertising spend totaled 5.8 trillion KRW in 2023, down 3% YoY.
02
Terrestrial TV captured 72% of broadcast ad revenue at 4.2 trillion KRW in 2023.
03
Cable TV ad spend declined 8% to 1.3 trillion KRW amid cord-cutting in 2023.
04
Prime time TV ad rates averaged 15 million KRW per 30 seconds in Seoul 2023.
05
Radio advertising revenue was 0.45 trillion KRW, stable at 2.5% of total ads 2023.
06
Newspaper print ad spend fell 12% to 0.9 trillion KRW in 2023.
07
Magazine ad revenue dropped 15% YoY to 0.3 trillion KRW in 2023.
08
Cinema advertising grossed 0.25 trillion KRW, up 10% post-pandemic in 2023.
09
Sponsorship deals in TV programs reached 1.1 trillion KRW in 2023.
10
Local TV station ad share was 18% of broadcast total in 2023.
11
Infomercials on TV generated 0.4 trillion KRW, 7% of TV ads 2023.
12
TV ad GRPs for top brands averaged 1,200 points in Q3 2023.
13
Print classified ads declined 20% to 0.2 trillion KRW in 2023.
14
Broadcast ad share of total market was 32% in 2023.
Interpretation
Traditional Media Interpretation
While the king of the castle, terrestrial TV, still holds the crown with a 72% share of a slightly shrinking broadcast kingdom, the peasants of print are in open revolt, cord-cutters are chipping at cable's walls, and cinema's post-pandemic popcorn-fueled revival offers a glimmer of hope in a traditional media landscape stubbornly defending its 32% realm.
Reference
Cite This Report
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APA
Samuel Norberg. (2026, February 13). Korea Advertising Industry Statistics. Gitnux. https://gitnux.org/korea-advertising-industry-statistics
MLA
Samuel Norberg. "Korea Advertising Industry Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/korea-advertising-industry-statistics.
Chicago
Samuel Norberg. 2026. "Korea Advertising Industry Statistics." Gitnux. https://gitnux.org/korea-advertising-industry-statistics.
Sources & references
45 datasets cited across this report