The latest affiliate marketing statistics show an industry becoming increasingly connected with ecommerce, creators, social commerce, AI, video, and performance-based advertising. In 2026, brands are investing more in partnerships while publishers are exploring new ways to generate traffic and conversions.
From market size and advertiser spending to consumer behavior, mobile commerce, AI, and creator partnerships, these 35 statistics provide a useful snapshot of where affiliate marketing stands today. The figures also highlight several changes that publishers and advertisers should consider when planning their strategies.
1. Affiliate Marketing Statistics: Market Size and Growth
1. Global affiliate marketing was worth $18.4 billion in 2025
Cognitive Market Research valued the global affiliate marketing industry at approximately $18.4 billion in 2025. Other research firms produce somewhat different estimates because market definitions and methodologies vary.
2. US affiliate spending reached $12.42 billion in 2025
US advertisers spent an estimated $12.42 billion on affiliate marketing in 2025, representing an 11.3% increase from the previous year.
3. US affiliate spending is projected to reach $13.81 billion in 2026
eMarketer`s forecast puts US affiliate marketing spending at $13.81 billion in 2026, another 11.3% year-over-year increase.
4. Affiliate marketing could influence $241 billion in US ecommerce sales
The same eMarketer forecast projects approximately $241 billion in US ecommerce sales influenced by affiliate marketing during 2026.
5. Affiliate marketing generated $113 billion in US ecommerce sales in 2024
The Performance Marketing Association`s 2025 Industry Study reported that affiliate marketing generated $113 billion in US ecommerce sales in 2024.
6. Affiliate marketing represented 9.4% of US ecommerce in 2024
The PMA study estimated that affiliate marketing accounted for 9.4% of total US ecommerce sales in 2024, demonstrating the channel`s significant role in online retail.
7. US affiliate spending has grown substantially since 2021
PMA data cited by Shopify indicates that US affiliate spending increased by 49.8% between 2021 and 2025, outpacing overall US retail ecommerce growth over the same period.
2. Affiliate Marketing Statistics: Brands, Revenue and ROI
8. 74% of surveyed brands generate 11%–30% of revenue from affiliate marketing
impact.com`s 2025 State of Affiliate Marketing report found that 74% of surveyed brands generated between 11% and 30% of their total revenue through affiliate programs.
9. 74% of brands increased affiliate investment
The same report found that 74% of brands increased their investment in affiliate marketing, with rising costs across other channels being one factor behind the change.
10. 73% of brands reported increased affiliate revenue
According to impact.com`s research, 73% of surveyed brands reported higher revenue from their affiliate programs compared with the previous year.
11. 71% of brands consider affiliate marketing cost-effective
Seventy-one percent of brands surveyed by impact.com considered affiliate marketing more cost-effective than other marketing channels.
12. Retail affiliate programs average an 11:1 ROAS
The PMA`s 2025 Industry Study reported an average 11:1 return on ad spend for retail affiliate programs. Travel programs recorded an even higher 19:1 average in the same study.
13. Affiliate programs can contribute 15%–20% of sales for active users
Shopify reports that for companies actively using affiliate marketing, the channel can account for an estimated 15% to 20% of sales.
14. 80% of publishers expected affiliate revenue to grow
The APMA`s 2025 Voice of the Nation survey found that 80% of publishers expected their affiliate revenue to increase in 2026.
15. 57% of advertisers planned to increase affiliate budgets
The same APMA survey reported that 57% of advertisers planned to increase their affiliate budgets, while another 40% intended to maintain their existing spending.
3. Affiliate Marketing Statistics: Consumers and Social Commerce
16. 67% of surveyed US consumers purchase through social media monthly
A 2025 GRIN survey of 1,002 US consumers found that 67% made at least one purchase through social media each month.
17. Creator content influences social purchases
Research cited by Shopify indicates that nearly half of consumers say creator content has influenced a purchase on social media.
18. 59% of brands plan to allocate at least 25% of affiliate spend to creators
Creator partnerships are receiving more attention, with 59% of brands planning to dedicate at least one-quarter of their affiliate budgets to creator partnerships.
19. TikTok is becoming an important affiliate commerce platform
TikTok`s large global audience makes short-form video an important environment for product discovery, demonstrations, reviews, and creator-led recommendations.
20. Social commerce is expanding the role of affiliate creators
Affiliate promotion is no longer limited to traditional blogs. Influencers and creators can introduce products through short videos, livestreams, tutorials, product comparisons, and other interactive formats.
These developments are central to affiliate marketing trends 2026, particularly as brands combine creator partnerships with measurable performance campaigns.
4. AI and Affiliate Marketing Statistics
21. Shopping-related ChatGPT queries have grown rapidly
Sensor Tower data cited by eMarketer found that shopping-related queries on ChatGPT grew faster than other query categories between December 2024 and June 2025.
22. AI is changing product discovery
Consumers can now use generative AI to compare products, research features, find alternatives, and narrow purchasing choices. This creates a new discovery environment for publishers whose content is referenced by AI systems.
23. AI is increasingly used for affiliate content workflows
Affiliate marketers are using AI for tasks such as keyword research, content ideation, personalization, analytics, optimization, and campaign management. Post Affiliate Pro also reports significant AI adoption among affiliate marketers and creators.
24. AI search is changing the value of product reviews
Detailed comparisons, first-hand product information, original research, and useful reviews can provide contextual information that automated systems may use when answering product-related questions.
For marketers examining ai tools affiliate conversion rate youtube 2025 2026, it is useful to look beyond views alone and compare engagement, click-through rate, assisted conversions, and completed purchases.
25. Alternative attribution is gaining attention
Ninety-four percent of brands surveyed by impact.com were experimenting with or planning to adopt attribution models beyond traditional last-click measurement.
5. SEO, Mobile and Content Statistics
26. SEO remains a major affiliate traffic source
Authority Hacker research cited by Post Affiliate Pro found that 78.3% of surveyed affiliate marketers identified SEO as one of their primary traffic sources.
27. Mobile accounts for a large share of affiliate activity
Affiliate traffic increasingly comes from smartphones, making mobile-friendly landing pages, fast websites, responsive designs, and simple checkout experiences important for publishers.
28. Blogging remains an important affiliate channel
Affiliate marketers continue to use blogs for reviews, comparisons, buying guides, tutorials, and informational content that can capture users at different stages of the purchasing journey.
29. Organic search remains valuable for product discovery
Organic search provides publishers with an opportunity to reach people actively researching products, services, brands, and solutions before making a purchase.
6. Affiliate Marketing Products and Program Opportunities
30. Amazon Associates has more than 900,000 active affiliates
Shopify`s 2026 affiliate statistics guide cites PMA research showing that Amazon Associates has more than 900,000 active affiliates.
31. Retail remains a major affiliate category
Retail represented 63% of US affiliate marketing spend in 2024, according to the PMA`s 2025 Industry Study.
32. Clothing and accessories represented 33% of retail affiliate spend
Within the retail category, clothing and accessories increased their share of retail affiliate spending from 29% to 33% between 2021 and 2024.
Publishers researching top affiliate products to promote 2026 should therefore consider audience relevance alongside demand. Fashion, technology, beauty, home, software, travel, and other categories can perform differently depending on the audience and affiliate program.
7. Tracking, Commissions and Affiliate Performance
33. Affiliate commissions commonly vary from 5% to 30%
Commission rates differ substantially by advertiser, product category, program model, and customer type. Shopify notes that affiliate commissions commonly fall within a broad 5%–30% range.
34. Affiliate fraud costs the industry billions
The Performance Marketing Association estimates that fraudulent traffic costs the affiliate industry approximately $3.4 billion annually. Fraud can include invalid clicks, cookie stuffing, attribution manipulation, and other forms of dishonest activity.
35. Server-side tracking can improve attributed conversions
eMarketer data cited by Shopify indicates that programs using server-side tracking can report 18%–24% higher attributed conversions compared with programs relying on third-party cookies.
What These Affiliate Marketing Statistics Mean for 2026
Taken together, these numbers show that affiliate marketing is becoming more diversified. Traditional SEO and blogs remain relevant, but creators, short-form video, social commerce, AI-assisted discovery, and improved attribution are changing how consumers find and purchase products.
The best affiliate marketing strategies 2026 will therefore need to consider more than traffic volume. Publishers should focus on audience intent, original content, mobile usability, trustworthy recommendations, conversion tracking, and multiple distribution channels.
For advertisers, the focus is shifting toward finding relevant partners and understanding the complete customer journey. An Affiliate Network can help centralize partnerships, tracking, commissions, and performance information.
Affilza provides opportunities for publishers and advertisers to explore affiliate partnerships across different categories. By comparing clicks, conversions, revenue, and partner performance, businesses can identify which relationships contribute meaningful results.
Final Thoughts
These 35 statistics provide a snapshot of an affiliate industry that continues to expand while its underlying technology and consumer behavior evolve. Market growth remains important, but AI discovery, creator commerce, social shopping, mobile experiences, and attribution are becoming equally significant.
Rather than treating industry averages as guaranteed results, publishers and advertisers should use them as benchmarks and compare them with their own performance data. That approach makes it easier to identify relevant opportunities and build an affiliate strategy suited to a specific audience.
Frequently Asked Questions
1. What is the size of the affiliate marketing industry in 2026?
The global market was valued at about $18.4 billion in 2025, while US affiliate spending is projected to reach $13.81 billion in 2026.
2. Is affiliate marketing still growing in 2026?
Yes. US affiliate spending is forecast to increase by 11.3% in 2026, while brands and publishers continue expanding their use of affiliate partnerships.
3. How is AI affecting affiliate marketing?
AI is changing product discovery, content creation, personalization, analytics, and search behavior, creating new opportunities for publishers with useful and original content.
4. What affiliate channels are important in 2026?
SEO, blogs, social media, creators, video, mobile content, and AI-driven discovery are all important channels for reaching potential customers.
5. What affiliate metrics should marketers track?
Important metrics include clicks, conversion rate, earnings per click, revenue, commission, traffic source, average order value, and return on investment.