B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
45%
45% -- sdr annual turnover rate for B2B companies (SDR roles) (2026)
According to a benchmark study of 939 B2B companies by Optifai, annual turnover specifically for SDR roles is 45%.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
45%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
939
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
Optifai
Primary
Tier C
https://www.whistle.ltd/post/why-outsourced-sales-development-wins-on-roi-in-2026 ↗
Source Article
Whistle | Why Outsourced Sales Development Wins on ROI in 2026
Go-to-Market
Lauren Daniels
June 19, 2026
A fully loaded in-house SDR costs $110,000 to $150,000 in year one once you add salary, benefits, tools, management overhead, recruiting fees, and ramp-period productivity loss. Outsourced sales development runs $36,000 to $84,000 annually for a comparable d…
Original Research
Optifai
· Original study ↗
Methodology
Optifai benchmark study of 939 B2B companies; overall B2B turnover cited at 35%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
B2B companies (SDR roles): 45% sdr annual turnover rate. Source: Optifai (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/sdr-turnover-rate-optifai-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/sdr-turnover-rate-optifai-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>45%</strong> -- sdr annual turnover rate for B2B companies (SDR roles)<br><small>Source: Optifai (2026) · <a href="https://lighthousedata.io/data/sdr-turnover-rate-optifai-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.