Onboarding research and statistics: cited sources 2026

SHRM figures are the most widely-cited onboarding cost benchmarks. The $4,700 direct-cost figure is real but covers only 10-20% of true all-in cost.

Gallup's onboarding quality data is some of the most-cited in HR circles. The 12% excellent onboarding figure is often surprising to HR leaders.

Brandon Hall's onboarding research is widely cited and highly credible. The 82% retention figure is the most-shared onboarding stat in the industry.

Watkins's The First 90 Days is the canonical reference for executive onboarding. The 3x success rate figure is the most cited in executive coaching.

First Round Capital published engineering ramp data as part of their engineering management content series. Widely used in technology company onboarding planning.

Bridge Group is the most credible source of SaaS sales productivity benchmarks. The ramp time and turnover data are widely used by VP of Sales in planning.

Spencer Stuart is one of the three major retained executive search firms. Their cost data is based on internal placement analytics.

NSI Nursing Solutions publishes the most widely-cited annual nursing retention and cost benchmarks. The $40k-$85k per RN figure is the HR standard for nurse onboarding cost.

BambooHR publishes an annual State of Onboarding report. Data comes from their customer base which skews toward mid-market US companies.

Glassdoor's $4,000 cost-to-hire is frequently cited but covers recruiting only, not onboarding. It is often incorrectly cited as total onboarding cost.