B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
18 hours
18 hours -- average weekly smartphone usage hours for US adults (2026)
US adults spend an average of 18 hours a week on their smartphone.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
18 hours
Unit
Duration Hours
Data Vintage
2026
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Statista
Primary
Tier C
https://www.appaloosa.io/blog/enterprise-mobility/app-development-best-practice-4-how-to-combine-a-b… ↗
Source Article
App Development Best Practices: Design and UX
Original Research
Statista
· Original study ↗
Methodology
US-only smartphone usage figure cited in article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US adults: 18 hours average weekly smartphone usage hours. Source: Statista (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/us-adults-weekly-smartphone-hours
HTML Embed
<blockquote cite="https://lighthousedata.io/data/us-adults-weekly-smartphone-hours" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18 hours</strong> -- average weekly smartphone usage hours for US adults<br><small>Source: Statista (2026) · <a href="https://lighthousedata.io/data/us-adults-weekly-smartphone-hours" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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