List Growth Rate

Net new subscribers per period after accounting for unsubscribes and bounces.

List growth rate = ((New Subscribers − Unsubscribes − Bounces) ÷ Starting List Size) × 100 per month. A healthy growing newsletter adds 3–10% net new subscribers monthly. Growth sources: content marketing, social media, referral programs, cross-promotions, paid ads, and SEO landing pages. Track growth rate by source to double down on highest-quality acquisition channels.