Internet & Tech Infrastructure (IT 인프라): The World's Most Connected Nation

South Korea has the highest broadband internet penetration rate in the OECD — with 99.2% of households having access to fixed broadband. Its average download speed consistently ranks in the top 3 globally. Its 5G network coverage, as a percentage of the population, is the highest in the world. These are not aspirations — they are present facts, built over 25 years of deliberate government investment and private sector competition.

어떻게 세계 1위가 됐나 (How Korea Got to Number One)

1990년대 정부 투자 (1990s Government Investment)

The foundation was laid in the late 1990s, when the Korean government, Presient Kim Dae-jung, — in the aftermath of the IMF financial crisis — made broadband internet infrastructure a national priority. The 초고속 정보통신망 구축 사업 (High-Speed Information Communication Network Project) invested approximately $30 billion in public-private partnership to build fiber optic infrastructure across the country.

By 2002 — when most Western countries were still transitioning from dial-up to DSL — Korea had near-universal broadband availability in urban areas. The government mandated that apartment buildings — where most Koreans live — be wired for high-speed internet as a construction requirement.

The competitive structure of the market accelerated deployment: KT (Korea Telecom), SK텔레콤 (SK Telecom), and LG유플러스 (LG U+) competed aggressively on speed and price, driving continuous infrastructure improvement.

현재의 IT 인프라 지표 (Current IT Infrastructure Metrics)

삼성·LG의 IT 기기 (Samsung & LG in IT Devices)

삼성전자 (Samsung Electronics) is the world's largest smartphone manufacturer by volume — shipping approximately 230 million units in 2023, representing approximately 22% of global smartphone shipments.

Samsung's 갤럭시 (Galaxy) series spans the full market: from the ultra-premium Galaxy S Ultra and Galaxy Z Fold (foldable phones) to mid-range and budget devices for emerging markets.

LG전자 (LG Electronics) exited the smartphone market in 2021 after sustained losses — but remains a major global manufacturer of TV displays, home appliances, and OLED panels. LG Display produces OLED panels for both its own products and, significantly, for Apple's iPhone — making LG a critical component supplier to its former smartphone competitor.

디스플레이 (Displays):

• 삼성디스플레이 (Samsung Display): Dominant supplier of OLED displays for smartphones — including Apple iPhone panels. Global OLED smartphone panel market share: approximately 55%

• LG디스플레이 (LG Display): Leading producer of OLED TV panels — the premium display technology used in high-end televisions

Tip — 한국과 OLED (Korea and OLED): OLED (Organic Light-Emitting Diode) displays — which produce deeper blacks, higher contrast, and lower power consumption than conventional LCD screens — were developed commercially by Korean companies. Samsung pioneered OLED for smartphones; LG pioneered OLED for televisions. When you buy a premium smartphone or high-end television in any country, the display panel was almost certainly made in Korea. OLED panel manufacturing requires extraordinary precision and capital investment — creating barriers that have kept Korean producers dominant for over a decade.

카카오와 네이버 (Kakao and Naver)

Korea's digital ecosystem is dominated by two domestic platforms that have successfully resisted the displacement by global equivalents that occurred in most other markets.

카카오 (Kakao):

• 카카오톡 (KakaoTalk): Korea's dominant messaging app — used by approximately 95% of Korean smartphone users. In Korea, KakaoTalk has displaced SMS entirely for virtually all personal and professional messaging

• 카카오페이 (Kakao Pay): Digital payment platform integrated into KakaoTalk

• 카카오모빌리티: Ride-hailing and transportation services

• 카카오뱅크: Digital bank — Korea's largest internet-only bank by customer count

네이버 (Naver):

• Korea's dominant search engine — with approximately 65% search market share in Korea, compared to Google's approximately 30%

• 네이버 웹툰 (Naver Webtoon): Global webcomic platform — the world's largest digital comics platform by monthly active users, with 180 million+ monthly users in 150 countries

• 라인 (Line): Messaging app dominant in Japan, Thailand, and Taiwan — a Korean-origin platform that became the messaging standard in East/Southeast Asian markets outside Korea

• 클로바 (Clova): AI assistant platform; Naver has invested significantly in Korean-language AI models

전자정부 (E-Government)

Korea consistently ranks among the world's top countries in e-government development. The UN E-Government Survey has ranked Korea 1st or 2nd globally in multiple editions.

정부24 (Government 24): A single portal through which Korean citizens can access virtually all government services — birth registration, identity documents, tax filing, health insurance, business registration, and hundreds of other administrative functions — online and often instantly.

전자세금계산서 (Electronic tax invoices): Korea mandated electronic tax invoicing for businesses above a certain size in 2010 — creating a fully digital B2B transaction record that has significantly improved tax compliance and reduced administrative friction.

모바일 신분증 (Mobile ID): Korea has implemented mobile driver's licenses and national ID cards that can be presented digitally — accepted by police, financial institutions, and government offices.

Key Facts

다음 아티클: Press Freedom & Media in Korea (언론·미디어): An Honest Assessment →