From ‘STOP’ to ‘START’: How to Reduce Opt-Outs by 40% Without Sending Fewer Messages

In the dynamic world of SMS marketing, low opt-out rates are not just a nice bonus—they’re a foundational sign of health in your list and channel. To put this into context: industry analyses now place average SMS opt-out/unsubscribe rates at less than ~3% in 2025. More narrowly, one research benchmark sets the “healthy” target at under ~1.5% for many lists. (Adam Connell)
Given this backdrop, reducing opt-outs by as much as 40% is absolutely realistic—if you shift your mindset from “avoiding STOP replies” to “starting meaningful conversations.” Below, we’ll look at why opt-outs happen, what the data reveals about root causes, and how you can systematically reduce opt-outs without reducing your send volume.
Why Opt-Outs Matter (Beyond the Obvious)
• Signal of subscriber dissatisfaction
An opt-out isn’t just a loss of a contact—it’s an alert. Regular or elevated opt-out rates signal one or more of these issues:
- Message frequency is misaligned with expectations or preferences. (MarketingProfs)
- Content lacks relevance or perceived value. (Falkon SMS)
- Timing or context is off (e.g., sending at wrong hours, or to the wrong segment).
• Deliverability & sender-reputation risk
Many platforms tie list health metrics (including opt-outs) to carrier routing or deliverability proxies. High opt-outs may lead to worse inbox placement (or SMS equivalent) over time.
• Growth & ROI lock-in
You can send fewer messages and keep opt-outs low, but then you sacrifice scale. Better is keeping your send volume and improving list longevity. As researcher Adam Connell notes, 0.3%–0.6% opt-out rates for campaigns are common when done right; above ~1.5% signals trouble. (Adam Connell)
What the Data Tells Us About Opt-Out Risk
Here are key findings that help decode where losses happen:
- One source shows “73% of consumers would unsubscribe from an SMS marketing program due to too many messages”. (Ecommerce Bonsai)
- Another reports “69% would unsubscribe if they received the same message many times”, and “62% would unsubscribe if messages don’t have a purpose”. (Ecommerce Bonsai)
- According to survey data: in 2025 roughly 84% of U.S. consumers say they’re opted-in to receive texts from at least one business (up from 62% in 2021). (MarketingProfs)
- And a broad benchmark: opt-out rates sit consistently below ~3%, with many brands reporting <1.5%.
The takeaway: opt-outs are and will remain rare—which means when they happen, it’s a strong signal. And because each message is a chance to either increase trust or decrease it, the key becomes sending smarter, not necessarily sending less.
Three Levers to Reduce Opt-Outs (and Boost Engagement)
Below are proven levers you can pull—each anchored in industry-backed strategy.
1) Set clear expectations up front
One of the strongest drivers of opt-outs is the mismatch between subscriber expectation and actual message experience.
- At opt-in time, clearly communicate what kind of messages, how often, and what value the subscriber will receive.
- Include the unsubscribe (“reply STOP”, etc.) instructions in your welcome message and opt-in flow. Transparent opt-outs build trust. (Omnisend)
- Use a welcome series (e.g., 1–2 messages) that outline the relationship and build value immediately (e.g., exclusive offer, helpful tip) rather than starting with a generic blast.
2) Segment, personalize, and respect cadence
Mass blasting every subscriber with the same message is a fast track to opt-outs. Instead, focus on relevance and timing.
- Segment your list by behavior or lifecycle: e.g., new subscribers vs lapsed customers vs VIPs.
- Personalize content—not just “Hi {first_name}” but content that matches interest or past interaction.
- Respect cadence: data shows consumers prefer receiving texts every other week (≈49%) and only ~34% are comfortable with weekly messages. (SimpleTexting)
- Use data-driven send times (consider time-zones and day-parts) to avoid “off-hours” irritations.
3) Focus each message on value and call-to-action
If subscribers feel like every text is purely promotional, they’ll tune out. The mix must deliver value.
- Ensure each message includes something the subscriber clearly wants (an exclusive offer, useful update, relevant reminder).
- Limit promotional-only messages; consider adding “info”, “behind-the-scenes”, or “VIP only” type of texts.
- Monitor opt-out rates per campaign. If a particular message type triggers above-average opt-outs, pause and recalibrate. (Textedly)
Why This Works for 2025 and Beyond
- With ~84% of U.S. consumers opting in to business texts (2025 data) (SimpleTexting), there’s major upside in engaging rather than shrinking your list.
- Because SMS open-rates remain extremely high (≈ 98%) (Emarsys), the risk of “message never seen” is low—but the risk of message irritation remains high if context is wrong.
- Opt-outs being rare (as noted above) means that reducing even a small absolute number becomes meaningful for retention, list health and ROI.
In short: you’re working with a high-attention channel. That makes every message count. If you fine-tune your list so that more messages are welcomed, you don’t have to send fewer—they just need to hit in a more engaged way.
When you reframe opt-outs not as a compliance checkbox but as a conversation failure, you unlock smarter design. Focus on:
- Getting permissions and expectations right up-front
- Segmenting and personalizing so messages stay relevant
- Delivering value (and not just promotions) at a cadence subscribers expect
If you commit to that model, you can absolutely see a 40% (or more) reduction in opt-outs — while continuing to scale your SMS sends and deepen the revenue you derive from this high-impact channel.
Sources
- Klaviyo 2025 SMS Benchmarks & Stats by Industry – Klaviyo. (https://www.klaviyo.com/products/sms-marketing/benchmarks)
- “20+ SMS Marketing Statistics (With Sources) to Know in 2025” – Emarsys. (https://emarsys.com/learn/blog/sms-marketing-statistics/)
- “34 Top SMS Marketing Statistics (2025 Industry Data)” – Adam Connell. (https://adamconnell.me/sms-marketing-statistics/)
- “Key SMS and Text Marketing Statistics for 2025” – Mozeo. (https://www.mozeo.com/blog/key-sms-and-text-marketing-statistics)
- “The State of SMS Marketing in the US” – MarketingProfs chart via Simple Texting. (https://www.marketingprofs.com/charts/2025/53197/sms-marketing-stats-consumers-marketers-united-states)
- “SMS Marketing: The Ultimate Guide for Higher ROI in 2025” – Omnisend. (https://www.omnisend.com/blog/sms-marketing/)
- “100+ SMS & Text Marketing Statistics to Know in 2025” – Klaviyo Blog. (https://www.klaviyo.com/blog/sms-stats)
- “SMS Marketing Statistics 2025 For USA Businesses” – SMSComparison.com. (https://www.smscomparison.com/sms-statistics/)
- “SMS Marketing Opt-Out Statistics · 100+ SMS Marketing Statistics: 2025 Industry Data” – EcommerceBonsai. (https://ecommercebonsai.com/sms-marketing-statistics/)
- “Opting Out from Text Messages: Your Complete Guide for 2025” – Omnisend. (https://www.omnisend.com/blog/opt-out-text-message/)
- “How to Reduce SMS Unsubscribe Rates” – Falkon SMS Blog. (https://www.falkonsms.com/post/reduce-sms-unsubscribe-rates)
- “10 Best Practices For Managing SMS Opt-Outs” – WP-SMS-Pro. (https://wp-sms-pro.com/28355/sms-opt-outs/)
- “Texting & SMS marketing statistics in 2025” – SimpleTexting. (https://simpletexting.com/blog/2025-texting-and-sms-marketing-statistics/?)
- “Essential SMS Marketing Best Practices to Boost Engagement and Sales” – Textedly. (https://www.textedly.com/blog/sms-marketing-best-practices?)