B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
19.5%
19.5% -- traffic spike vs prior ten week average for Starbucks (2025-08)
In August 2025, Starbucks' Pumpkin Spice Latte (PSL) launch day drove a 19.5% spike in foot traffic compared to the prior ten-week average.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
19.5%
Unit
Percentage
Data Vintage
2025-08
Entity
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Placer.ai
Primary
Tier B
https://peppr.com/blog/6-strategies-from-coffee-chains-for-restaurants ↗
Source Article
6 Strategies From Coffee Chains That Restaurants Can Use Right Now - Peppr POS
Growth
Dec 19, 2025
6 proven strategies from coffee chains to drive traffic and loyalty at your restaurant.
Coffee chains are thriving in 2025. While many restaurants struggle with rising costs and changing consumer behavior, coffee concepts have grown traffic consistently, even while expanding rapi…
Original Research
Placer.ai
· Original study ↗
Methodology
Foot traffic data from Placer.ai
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Starbucks: 19.5% traffic spike vs prior ten week average. Source: Placer.ai (2025-08). Via Lighthouse Intelligence -- https://lighthousedata.io/data/starbucks-psl-launch-traffic-spike-2025
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<blockquote cite="https://lighthousedata.io/data/starbucks-psl-launch-traffic-spike-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19.5%</strong> -- traffic spike vs prior ten week average for Starbucks<br><small>Source: Placer.ai (2025-08) · <a href="https://lighthousedata.io/data/starbucks-psl-launch-traffic-spike-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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