Net Revenue Retention
Net revenue retention (NRR) is the percentage of recurring revenue retained from a starting cohort over a defined period, including expansion and net of churn. Also called net dollar retention (NDR), it is measured across a defined period (typically 12 months) and includes expansion revenue (upsells, cross-sells, seat growth, usage growth) net of churn and contraction. It is the single most-watched health metric in modern SaaS because it captures whether existing customers grow, shrink, or leave on net, independent of new customer acquisition.
The formula: NRR = (Starting MRR + Expansion - Contraction - Churn) / Starting MRR, expressed as a percentage. An NRR of 100 percent means the customer base is flat in revenue terms; above 100 percent means the customer base is growing on its own before any new logos are added (a "negative net churn" business); below 100 percent means the customer base is leaking faster than it expands. Public-market benchmarks: median SaaS NRR in 2024 to 2025 has run roughly 105 to 115 percent (Meritech, Public Comps, Bessemer data), down from 120+ percent peaks in 2021 to 2022 as customer expansion budgets tightened. Top-quartile public SaaS (Snowflake, Datadog, MongoDB historically) has posted NRR above 130 percent; sub-100 percent NRR usually signals a structural problem worth a board-level conversation. The metric is sensitive to definition: NRR by customer count is different from NRR by revenue, and quarterly NRR is more volatile than trailing-12-month NRR. The investor-grade convention is trailing-12-month NRR by revenue, calculated for a cohort defined 12 months ago.
Ryan's Take
NRR is the only growth metric that public-market investors trust more than ARR growth itself. The reason: ARR growth can be bought with expensive sales and ad spend; NRR can't. If existing customers are not expanding or are quietly churning, no amount of new-logo acquisition fixes the business; it just delays the reckoning. Founders chase shiny ARR numbers in board decks while NRR tells the real story two columns to the right. Look at NRR first. If it is under 100 and not improving, nothing else in the deck matters.
What founders get wrong: Reporting blended NRR across all customer tiers as if it were one number. Self-serve SMB NRR routinely runs 80 to 95 percent (because small customers churn naturally) while enterprise NRR can run 120 to 140 percent in the same business. The blended number hides which segment is actually working and which is dragging.
Related: Retention · Churn Rate · Cohort Analysis · LTV · Unit Economics
FAQ
What is net revenue retention?
The percentage of recurring revenue retained from a starting cohort of customers over a defined period (typically 12 months), including expansion (upsells, cross-sells, seat growth) and net of churn and contraction. The single most-watched SaaS health metric.
What is a good NRR?
Public-market median SaaS NRR has run 105-115% in 2025-2026 (Meritech, Public Comps, Bessemer). Top-quartile public SaaS posts 130%+. Sub-100% means the customer base is shrinking on its own and usually signals a structural problem worth a board-level conversation.
How is NRR different from gross revenue retention?
NRR includes expansion revenue (upsells, cross-sells, seat growth) and can exceed 100%. Gross revenue retention (GRR) only counts churn and contraction; it caps at 100% by definition. Best-in-class SaaS targets GRR above 90% and NRR above 110%.
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