Influencer Marketing Measurement Is the Hardest Part for Two-Thirds of Marketers — Why Paid Amplification Is the Workaround

Influencer marketing has graduated from experiment to core strategy, but influencer marketing measurement remains its weakest link. In the Association of National Advertisers’ report “Influencer Marketing: Reducing Waste and Optimizing Investment,” two-thirds of marketers named measurement as the most difficult part of the discipline.

Measurement dwarfs every other challenge

Vetting, negotiating, contracting and finding influencers were each cited by 40% to 45% of respondents — well below measurement.

Why it is so hard

• Platforms define and calculate views, reach, engagement and completion differently.
• There is no standard for deduplicating audiences across channels, so even impressions are hard to compare.

“It makes apples-to-apples comparisons very difficult,” said Leah Marshall, VP of digital and influencer marketing at the ANA. The ANA’s cross-media measurement effort, Aquila, has not yet tackled creator marketing.

Workaround 1: Pay to amplify

Marketers are increasingly boosting creator content with paid media. “The measurement insights you get from paid media are much more robust,” Marshall said. Boosting top performers also improves results.

eMarketer expects spending to amplify creator content to match creator-sponsored content revenue — nearly $14.2 billion — in 2027 and surpass it in 2028, a “pivotal crossover,” per the ANA.

Suggested paid-to-native splits

The report recommends 30/70 paid to native for awareness and 70/30 for conversion, but Marshall cautions it “shouldn’t be a default setting.”

Workaround 2: Set goals before launch

Is the goal sales, conversions or awareness? That question matters more now that creators sell directly on platforms like TikTok Shop. “In the past, influencers were seen as driving to a store… Now, they are the store,” Marshall said. For a framework on matching creators to goals, see Influencer Selection Is About Choosing the Conversion Context.

Workaround 3: Give one team ownership

Kantar’s 2026 Media Reactions report shows brands are more likely to invest in micro-creators (66%) and nano-creators (61%) than macro (41%) or mega-influencers (42%). With more creators across more of the funnel, some global brands have two units negotiating against each other for the same creator. The ANA recommends a single owner for creator relationships.

The IAB puts creator economy marketing spend at $37 billion last year, heading to $44 billion in 2026.

Action items

1. Budget for amplification from day one. Pinterest now allows it without a prior deal — see Pinterest Lets Brands Promote Creator Pins Without a Prior Sponsorship Deal.
2. Set paid/native splits by objective.
3. Centralize creator rosters and contracts.