B
Evidence Grade B
Graded
under review
Safe to Cite
Current
54.28%
54.28% -- share of keywords overestimated in gkp for Google Keyword Planner (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
54.28%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
72,635
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
90
Citation Chain
90
Independence
30
Methodology
45
Freshness
95
Source
Ahrefs
Primary
Tier A
https://ahrefs.com/blog/gsc-gkp-search-volume-study/ ↗
Source Article
GSC vs. GKP: Comparing Search Volumes for 72k Keywords [A Study by Ahrefs]
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs study comparing GKP search volumes vs GSC impressions for 72,635 random keywords in the 1K-10K volume range
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Keyword Planner: 54.28% share of keywords overestimated in gkp. Source: Ahrefs (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gkp-search-volume-overestimations
HTML Embed
<blockquote cite="https://lighthousedata.io/data/gkp-search-volume-overestimations" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>54.28%</strong> -- share of keywords overestimated in gkp for Google Keyword Planner<br><small>Source: Ahrefs (2026) · <a href="https://lighthousedata.io/data/gkp-search-volume-overestimations" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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