B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
1,000
1,000 -- audience size for Facebook Lookalike audiences (2026)
For conversion-focused campaigns, the strongest starting point is a 1% Lookalike built from a high-quality source audience of at least 1,000 purchasers or a top-value customer cohort.
- Minimum recommended seed audience size
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
1,000
Unit
Count
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Unknown (cited in the article)
Primary
Tier B
https://rebusadvertising.com/blogs/facebook-ads-audience-targeting/ ↗
Source Article
Facebook Ads Audience Targeting: The 2026 Playbook
Facebook Ads Audience Targeting: The 2026 Playbook
Most Facebook ad targeting advice is stuck in a version of Meta that no longer exists.
If you're still building audiences by stacking obscure interests, narrowing behaviors, and trying to force the platform into a tiny definition of your “ideal cust…
Original Research
Unknown (cited in the article)
· Original study ↗
Methodology
For conversion-focused campaigns
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Facebook Lookalike audiences: 1,000 audience size. Source: Unknown (cited in the article) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/facebook-ads-lookalike-audience-size
HTML Embed
<blockquote cite="https://lighthousedata.io/data/facebook-ads-lookalike-audience-size" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1,000</strong> -- audience size for Facebook Lookalike audiences<br><small>Source: Unknown (cited in the article) (2026) · <a href="https://lighthousedata.io/data/facebook-ads-lookalike-audience-size" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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