--- title: Paid media trends · 2020–2026 | RGM® url: https://realgrowthmatters.com/tools/benchmarks/trends/ updated: 2026-06-10 source_html: https://realgrowthmatters.com/tools/benchmarks/trends/ --- [Home](/) · [Tools](/tools/) · [Benchmarks](/tools/benchmarks/) · Historical Trends ### The headline trends **CPMs are up ~3.2x** across paid social from 2020 to 2026. **iOS 14.5 (2021)** permanently broke pixel-based attribution. **AI Overview (2024–2026)** is compressing Google Search click volume on informational queries by 18–28%. **Retail media** grew from 6% to 16% of US digital spend. **Multi-touch attribution** is now functionally deprecated; incrementality + MMM are standard. ## The seven-year arc ### 2020 — COVID surge Q2 2020 broke the modern paid media model. Stay-at-home consumption pulled forward 5+ years of e-commerce adoption. CPMs spiked 35–55% YoY in Q2; small-business advertisers piled in. ROAS was abnormally inflated — pent-up demand met idle audiences. By Q4, paid social CPMs had set a new floor that didn't return to 2019 levels. **Defining event:** Meta Q2 2020 revenue beat by 11%, signaling structural digital demand. ### 2021 — iOS 14.5 + the death of the pixel April 2021. Apple's App Tracking Transparency (ATT) prompt rolled out. Opt-in rates settled at 21–25%. Meta's signal loss was real; their stock price reflected it. Conversion API (CAPI) launched as a server-side workaround. Meta's pixel ROAS reporting under-counted by 25–40% for most advertisers. **Defining event:** Meta's Q4 2021 earnings preview citing ~$10B impact from ATT. ### 2022 — Recession fears, MER ascendancy Macro tightening, tech layoffs, and venture capital pulling back. CPMs softened ~12% in Q3. DTC operators shifted from pixel ROAS to MER (Marketing Efficiency Ratio = total revenue / total ad spend) as the dominant efficiency metric. Performance Max launched at Google. Reels CPMs were ~40% cheaper than Feed CPMs. **Defining event:** Klaviyo's 'MER is the new ROAS' positioning and Common Thread's MER advocacy reshape DTC measurement. ### 2023 — AI creative + TikTok Shop Generative AI tools (Midjourney, Runway, Pika) compress creative production costs ~60%. Advertisers ship 4–8x more variants per week. TikTok Shop launches in the US in September. Direct in-app purchase changes funnel math for participating DTC brands. AI Overviews (then 'SGE') begin testing in Google Search. **Defining event:** TikTok Shop US launch and the first 'AI-native' DTC brands shipping new creative daily. ### 2024 — Cookie deprecation delayed (again), retail media accelerates Google delays third-party cookie deprecation for the third time. Privacy Sandbox APIs partially deploy. Performance Max adoption hits 65%+ of Google ad accounts. Amazon Ads revenue surpasses $46B; Prime Video Ads launches with full ad load by Q3. Retail media share of US digital ad spend reaches ~13%. **Defining event:** Amazon's Prime Video Ads launch reshapes the retail-media-meets-CTV competitive map. ### 2025 — AI Overview, server-side everything, MMM resurgence AI Overview at ~25% of US SERPs. Click volume drops 30–50% on long-tail informational queries. Server-side tagging becomes standard — pixel-only setups are remediation projects. Mid-market brands adopt MMM (Marketing Mix Modeling) for the first time; vendors like Recast, Lifesight, Ness, and Mass-MMM open self-serve tiers. Multi-touch attribution declared 'officially dead' by major agency holding companies. **Defining event:** Group M's annual report formally retires last-touch and linear MTA as recommended methodologies. ### 2026 — Incrementality + MMM + Lift, AI media buyers, TikTok stable AI Overview at ~31%+ of SERPs. CPMs stabilize across paid social. Advantage+ Shopping handles 70%+ of US DTC Meta spend. AI agents start placing media buys autonomously across Meta and Google. TikTok stable post-divestiture pathway; TikTok Shop is 14% of total TikTok ad spend. Retail media at 16% of US digital ad spend. Multi-touch attribution is fully deprecated; incrementality tests + MMM + brand-lift are the standard measurement triad. **Defining event:** First major holding-company campaign placed end-to-end by an AI agent — without a human media buyer in the loop. ## Structural shifts to plan for ### The death of pixel attribution Last-touch attribution and linear MTA are now considered methodologically broken by every major holding company. Pixel ROAS over-counts by 25–60% for most DTC brands; under-counts for new-customer acquisition. The replacement: **incrementality tests** (geo holdouts, PSA tests, matched markets) + **MMM** (Marketing Mix Modeling) + **Brand Lift studies**. The MER metric remains useful as a real-time check. ### The compression of creative production From 2020 to 2026, the cost of producing a polished 30-second video has dropped ~80%. Generative AI tools, AI video upscaling, and prompt-driven editing have made high-volume creative testing economical for SMB. The strategic implication: **creative velocity, not creative quality, is the rate-limiter**. Brands shipping 20+ creative concepts per week dramatically outperform brands shipping 2–4. ### The collapse of organic Google traffic AI Overview compresses click volume on informational queries by 18–28%. Commercial-intent and branded queries remain largely intact. The strategic implication: **content marketing must shift from informational SEO to commercial-intent SEO + branded search defense + AI-Overview-resistant content formats** (comparisons, deep guides with structured snippets, brand-mention-rich content). ### The retail media wedge Retail media has grown from 6% to 16% of US digital ad spend in six years. Amazon dominates, but Walmart Connect, Target Roundel, Instacart, and grocery RMNs (Kroger, Albertsons) are scaling. The strategic implication: **retail media is no longer an Amazon afterthought; it's a standalone channel with measurement, creative, and operating-model requirements distinct from paid social/search**. ### The rise of AI media buyers By 2026, AI agents place an increasing share of paid media buys autonomously — particularly in Meta Advantage+, Google Performance Max, and Amazon DSP. The strategic implication: **human media operators shift from execution to strategy, measurement, and creative direction**. The agencies that survive this transition are the ones doing genuinely strategic work. ## What hasn't changed Despite seven years of measurement chaos, three things remain constant: **unit economics still matter** (LTV:CAC discipline beats clever attribution), **creative still drives 60–70% of paid-channel variance**, and **retention still dominates LTV math more than acquisition cleverness**. Operators who anchored on these three constants outperformed the ones who chased every new measurement framework. **Want the current benchmarks?** See the [2026 Benchmarks Report](/tools/benchmarks/report-2026/) for the full cross-platform dataset, or browse [platform deep-dives](/tools/benchmarks/platforms/meta/) for per-platform trends.