TLDR: India’s digital advertising market is experiencing rapid growth, projected to reach $17-$19 billion by 2029, significantly outpacing global averages. This expansion is primarily driven by increasing mobile consumption, the adoption of AI and generative AI in advertising processes, and the rising influence of Direct-to-Consumer (D2C) brands and Small and Medium Enterprises (SMEs). Mobile devices now account for nearly 70% of digital ad spend in India, with connected TV also seeing substantial growth. The report emphasizes the critical role of AI in targeting, optimization, and personalization, highlighting a strategic shift for brands to diversify beyond traditional platforms and leverage data-driven campaigns.
India’s digital advertising market is on a trajectory of significant expansion, poised to become one of the fastest-growing globally. A recent report by Bain & Company, titled “Advertising in the Digital Age, in India and Around the World,” highlights that the country’s advertising market, valued at $16–$18 billion in 2024, is projected to grow at a Compound Annual Growth Rate (CAGR) of 10%–15% to reach approximately 0.5% of its GDP by 2029 . Digital advertising, which currently constitutes 50%–60% of India’s total ad spend, is expected to grow at an even faster CAGR of about 15% through 2029, reaching $17–$19 billion .
This robust growth is attributed to several key factors. Rising private and digital consumption, rapid adoption of Over-The-Top (OTT) services, and wider high-speed internet coverage are foundational drivers . India’s mobile-first audience is a dominant force, with consumers spending an average of 4.8 hours per day on their mobile devices in 2024, an increase from 3.7 hours in 2019 . This preference has led to mobile devices capturing nearly 70% of total digital ad spend in India, a figure 5–10 percentage points higher than the global average .
Video formats, particularly in-app ads, are proving to be the most engaging and are projected to grow by 6 to 8 percentage points from their current 35%–40% share over the next five years .
Connected TV (CTV) is another rapidly expanding channel. The number of CTV households in India more than doubled from approximately 20 million in 2022 to nearly 45 million in 2024 . This growth is fueled by increasing smart TV penetration and offers new touchpoints for advertisers.
Small and Medium Enterprises (SMEs) and Direct-to-Consumer (D2C) brands are significant contributors to India’s digital advertising economy. Their share of digital ad spend grew from about 35% in 2020 to 37% in 2024, with projections to reach 40%–42% by 2029 . These brands often adopt mobile-first marketing strategies, emphasize e-commerce integration, and focus heavily on Return on Ad Spend (ROAS) performance marketing .
A pivotal element reshaping the market is the integration of Artificial Intelligence (AI) and generative AI across the advertising process. Prabhav Kashyap, Partner at Bain & Company, stated, “India’s digital advertising market is at an inflection point. The convergence of mobile-led consumption, the rapid rise of video formats, and the integration of AI into every stage of the advertising process is reshaping how brands connect with consumers” . He further emphasized that “the ability to combine creativity, data, and technology will be the defining factor” in capturing value over the next five years .
AI’s applications in digital advertising are expanding beyond creative production to include: Customer targeting: Utilizing AI-driven audience clusters for precise reach . Dynamic testing and learning: Automated A/B testing for continuous optimization . Media planning and campaign optimization: AI-based real-time allocation of budgets . Advanced analytics: For robust ROI measurement . Personalization: Delivering personalized ads at scale .
Traditional search ads are expected to partially transition towards AI-powered search engines and AI summary ads . Leading adtech players, such as InMobi and The Trade Desk, are integrating AI/Machine Learning (ML) to provide real-time market intelligence and hyper-personalized consumer experiences, thereby maturing the ecosystem . Devika Mittal, Associate Partner at Bain & Company, noted, “To unlock stronger ROI, brands and publishers need to work in closer sync. Compared to just a few years ago, we’re seeing the emergence of scaled adtech players… who are playing a pivotal role in driving more precise targeting and performance, maturing the ecosystem significantly and enabling brands to continuously sharpen their digital advertising strategies” .
The report also highlights challenges such as ad fatigue, measurement gaps, and consumer trust. New regulations like India’s Digital Personal Data Protection Act, Europe’s GDPR, and California’s CCPA are accelerating the shift from third-party cookies to first-party data, making AI and generative AI crucial for this transition .
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In response to market fragmentation and increased complexity, Indian brands are diversifying their media mix, allocating 20%–30% of their budgets to platforms like e-commerce, CTV, and high-engagement digital inventory such as the Indian Premier League (IPL). They are also adopting channel-specific creative strategies, including influencer reels and long-form YouTube content, rather than simply repurposing traditional TV ads .
