This commentary discusses the performance of China's online advertising revenue in 2021 and the market outlook.
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China’s 2021 online ad revenue affected by the introduction of new data protection laws
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Advertising Intelligence Database
Data / 30 Jan 2026 / Matthew Bailey
This core Advertising Intelligence Database provides online, linear TV, print, radio, out-of-home, and cinema advertising revenue by market and region. Tier 1 market coverage includes granular online and linear TV splits by format and company.
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The Analyst Team
Kia Ling Teoh
Follow AnalystSenior Analyst, Advertising
As part of Omdia's media and entertainment team, Kia Ling Teoh covers global advertising, channels, and programming research, with specific interests in traditional TV’s digital extensions and content strategies. Her research focuses on the development of the advertising and television programming markets including, but not limited to, key markets in Asia Pacific.
Kia Ling provides analysis and forecasts on subjects such as TV broadcasters’ advertising revenues, including those from linear TV and ad-supported online video, and programming spend. She is widely quoted in media publications and has authored topical reports covering advertising M&A and TV and online video markets in China, Indonesia, and India. She is based in Penang, Malaysia, and joined Omdia in April 2014. Prior to joining Omdia, Kia Ling was a lead analyst at the Governance, Risk, and Compliance division of Thomson Reuters. She holds a Master of Science in international business management from University of Kent, UK. She is fluent in English, Chinese Mandarin, and Malay.
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