9.5% -- ad spend growth rate for US advertising expenditure (2026)

The ad spend growth rate for US advertising expenditure is 9.5% as of 2026 according to Interactive Advertising Bureau (IAB). This figure is the primary benchmark in the Lighthouse dataset for this segment. Individual results vary by region, channel mix, and audience quality.

A strong ad spend growth rate benchmark for US advertising expenditure is 9.5%, using the current serving value as of 2026. This is one serving-eligible observation, not a distribution median; top-quartile comparisons require the underlying distribution. Vertical, audience size, and campaign type all shift what 'good' means.

The published ad spend growth rate serving value for US advertising expenditure is 9.5% as of 2026. Individual sectors and audiences may differ substantially; this single observation does not establish an aggregate mean. Quartile comparisons require the underlying distribution, which is not implied by this record.

Primary drivers of ad spend growth rate variation for US advertising expenditure include audience segmentation, timing, and channel selection. Methodology documents campaign factors, but this serving record does not quantify the effect of personalization. The current serving value is 9.5% as of 2026.

For a digital marketer, the published ad spend growth rate serving value is 9.5%; it is an evidence-grade reference, not a personalized target as of 2026. Any performance goal should account for channel mix and audience. Review the methodology before operational decisions; a gap from this serving value does not by itself indicate a structural issue.