48 Digital Marketing ROI Statistics for 2026
Comprehensive statistics on digital marketing return on investment, channel performance benchmarks, and marketing efficiency data for business leaders and CMOs.
Sources include: Empire325 proprietary research, Gartner, McKinsey, HubSpot, Forrester, and industry-specific research firms. Empire325 original statistics are released CC BY 4.0 — free to cite with attribution.
Email marketing delivers the highest average ROI of all digital marketing channels: $42 return for every $1 spent.
Source: Litmus State of Email Marketing · 2024
SEO delivers an average ROI of 748% over 24 months for B2B companies — the highest long-term ROI channel — due to compounding traffic and content asset value.
Source: Terakeet Marketing ROI Study · 2024
Companies that prioritize marketing see 13% higher revenue growth than companies that don't — consistent across industries and company sizes.
Source: Deloitte CMO Survey · 2024
Digital advertising global spend reached $740 billion in 2024 and is forecast to reach $1 trillion by 2028.
Source: GroupM This Year Next Year Forecast · 2024
Content marketing ROI averages 300-600% over 2 years versus 100-150% for equivalent paid advertising spend — reflecting the compounding nature of organic assets.
Source: DemandMetric Content Marketing ROI Study · 2024
76% of CMOs report difficulty proving marketing ROI to their executive team — the persistence of this challenge drives investment in attribution and measurement technology.
Source: Gartner CMO Spend Survey · 2024
Marketing-attributed revenue is growing: in 2024, 52% of B2B companies attributed over 25% of total revenue to marketing channels — up from 38% in 2021.
Source: Salesforce State of Marketing Report · 2024
Companies with advanced marketing analytics capabilities are 1.5× more likely to report above-average profit growth.
Source: McKinsey Global Marketing Survey · 2024
PPC (Pay-Per-Click) advertising delivers an average ROI of 200% — or $2 return for every $1 spent — across all industries combined.
Source: Google Ads Economic Impact Research · 2024
Personalized marketing campaigns generate 5-8× higher ROI than non-personalized campaigns and increase marketing spend efficiency by 30%.
Source: McKinsey Personalization Research · 2024
Methodology & Citations
Statistics on this page are drawn from Empire325 proprietary research (published in our State of AI Search 2026 and Marketing Benchmark reports), and from third-party research cited with source and year. Empire325 proprietary statistics reflect analysis of client engagements, website audits, and controlled program measurement. Third-party statistics are cited as reported by their original sources. All statistics reflect the year indicated and should be verified against original sources for publication in academic or regulated contexts. Empire325 original data is released under Creative Commons Attribution 4.0 International (CC BY 4.0) — free to reproduce with attribution.
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