LINKEDIN INMAIL STATISTICS

TOP LINKEDIN INMAIL STATISTICS 2025

 

LinkedIn InMail has become one of the most effective outreach tools for professionals in sales, recruiting, and business development. With its direct access to verified profiles and its built-in credibility, InMail often outperforms traditional email by a wide margin. Over the years, the platform has refined how InMails work—shaping everything from response tracking to personalization tools.

In 2025, LinkedIn’s growing user base and deeper integration with AI have made the platform even more strategic for targeted communication. More companies are focusing on optimizing their InMail strategies, especially as competition for attention increases. Amra and Elma believes that understanding which industries, message formats, and sending times perform best is no longer optional—it’s essential. These statistics shed light on how InMail performs overall and what trends are emerging this year. They also offer clear, data-backed insights into what works, what doesn’t, and where things are heading next.

 

TOP LINKEDIN INMAIL STATISTICS 2025 (Editor’s Choice)

 

Here are the top 20 LinkedIn InMail statistics, encompassing general trends over time and specific insights for 2025, to help you optimize your outreach strategies:

 

1. Average Response Rate: LinkedIn InMail messages have an average response rate between 18% and 25%, significantly higher than the 3% average for cold emails.

2. Response Timeframe: Approximately 65% of InMail responses occur within 24 hours, and 90% within one week.

3. Open Rates: InMails boast open rates of up to 85%, indicating high visibility among recipients.

4. Effectiveness Over Cold Emails: InMails are 300% more effective in eliciting responses compared to emails with identical content.

5. Recruiter Response Rate Threshold: LinkedIn mandates that recruiters maintain a minimum InMail response rate of 13% over a 14-day period to avoid restrictions.

6. Response Rate Calculation: Only responses received within 30 days of sending an InMail are counted towards the response rate.

7. Impact of Personalization: Personalized InMails significantly outperform bulk messages, with recipients more likely to engage when messages are tailored to them.

8. Subject Line Length: Shorter subject lines correlate with higher response rates, emphasizing the importance of concise messaging.

9. Message Length: InMails with shorter body content tend to receive more responses, suggesting brevity is key.

10. Timing of Sends: InMail response rates remain relatively consistent regardless of the time of day or day of the week they are sent.

11. User Base Growth: LinkedIn’s professional user base has expanded to 1 billion members globally, up from 571 million in 2022.

12. Industry Response Rates:

  • Oil, Gas, and Mining: InMail response rates are 24% above the global average.
  • Utilities: Response rates are 17% above the global average.

13. Functional Response Rates:

  • Quality Assurance: Professionals respond at rates 16% higher than the global average.
  • Human Resources: Response rates are 15% above the global average.

14. Day-of-Week Response Rates:

  • Highest: Thursdays, with a response rate of 20.32%.
  • Lowest: Saturdays, with a response rate of 2.65%.

15. Influence of Mutual Connections: Candidates are 46% more likely to respond to InMails if they are already connected to someone at your company.

16. Impact of Company Followers: Individuals who follow your company on LinkedIn are 81% more likely to respond to InMails.

17. Open-to-Work Indicator: Candidates who have set their profile to “Open to Work” are 35% more likely to respond to InMails.

18. InMail Credit Return Policy: LinkedIn returns InMail credits if a recipient responds within 90 days, encouraging meaningful engagement.

19. Recruiter InMail Limits: Recruiter Lite has 30 InMails per month, while LinkedIn Recruiter: 150 InMails per month.

20. Effectiveness of Integrated Outreach: Combining InMails with other outreach methods, such as emails and calls, enhances overall response rates and candidate engagement.

 

These statistics underscore the effectiveness of LinkedIn InMail as a tool for professional outreach, particularly when messages are personalized and strategically timed. By leveraging these insights, you can enhance your engagement rates and optimize your LinkedIn outreach efforts.

 

 

 

LINKEDIN INMAIL STATISTICS

 

TOP LINKEDIN INMAIL STATISTICS 2025 and Future Implications

 

 

TOP LINKEDIN INMAIL STATISTICS 2025 #1. High Response Rate (18–25%)

LinkedIn InMail messages have an average response rate ranging from 18% to 25%, far exceeding the 3% typical for cold emails. This significant difference highlights the platform’s unique ability to connect professionals in a more trusted and targeted way. InMail’s effectiveness is rooted in its ability to reach verified profiles who are likely active and engaged. With more recruiters and sales professionals using LinkedIn as their primary outreach tool, this gap could widen even further in 2025.

As AI improves personalization, we may see response rates increase even more. Companies should invest in training teams on InMail strategy, including message crafting and follow-up timing. The future of B2B outreach will likely prioritize platforms with verifiable high engagement like LinkedIn.

TOP LINKEDIN INMAIL STATISTICS 2025 #2. Fast Response Time (65% within 24 hours)

About 65% of all LinkedIn InMail replies come within 24 hours, and 90% are received within a week. This quick turnaround shows how InMail users prioritize professional communication on the platform. Timely replies indicate that users see InMail as relevant and credible, especially compared to slower traditional outreach. It also helps businesses accelerate their recruitment or sales pipelines.

As more professionals enable mobile notifications and integrate LinkedIn into daily routines, responsiveness may improve further in 2025. Companies should optimize internal workflows to follow up swiftly while interest is high. Fast response times also give teams better visibility into campaign performance within days rather than weeks.

TOP LINKEDIN INMAIL STATISTICS 2025 #3. InMail Open Rates (Up to 85%)

Open rates for InMail can reach as high as 85%, compared to average email open rates that typically fall under 30%. This high visibility offers a massive advantage for professionals trying to make meaningful contact. InMail is delivered directly through LinkedIn’s messaging system, bypassing crowded email inboxes. As more users spend time on LinkedIn in 2025 for networking and job search, attention to platform messages will likely grow.

The takeaway is simple: if you’re not using InMail as part of your outreach strategy, you’re missing highly visible real estate. Users should test different message previews and headlines to increase opens even more. Open rates this high create an ideal testing ground for message experiments.

TOP LINKEDIN INMAIL STATISTICS 2025 #4. 3x More Effective Than Cold Email

LinkedIn InMails are reported to be up to 300% more effective than cold emails with the same content. This shows the strength of LinkedIn’s native messaging platform, where professional context supports outreach. Cold emails often get caught in spam filters or ignored due to lack of familiarity, while LinkedIn benefits from pre-existing trust. This will continue to be important as inbox fatigue grows and email open rates decline further in 2025.

The ROI on personalized InMail campaigns is likely to outperform traditional outreach consistently. Businesses should factor this difference into how they allocate budgets between platforms. Expect B2B sales teams to increasingly pivot toward LinkedIn as their primary outreach method.

TOP LINKEDIN INMAIL STATISTICS 2025 #5. Recruiter Response Rate Threshold (13%)

LinkedIn requires recruiters to maintain a 13% response rate on InMails over 14 days to avoid sending restrictions. This encourages quality outreach and discourages spammy tactics. It pushes users to be thoughtful in their targeting, personalization, and messaging tone. Failing to meet this threshold could limit a team’s ability to communicate with top candidates.

In 2025, as more companies invest in internal talent acquisition tools, this threshold will serve as a quality benchmark. Recruiters may need to monitor their analytics weekly and adapt their outreach quickly. The rule helps keep the InMail ecosystem functional and engaging, which benefits everyone using the platform.

LINKEDIN INMAIL STATISTICS

TOP LINKEDIN INMAIL STATISTICS 2025 #6. 30-Day Response Window

LinkedIn only counts InMail responses received within 30 days toward your official response rate. This policy incentivizes timely follow-ups and accurate performance tracking. It also encourages senders to create compelling messages that generate immediate interest. By defining this window, LinkedIn ensures that users focus on current engagement rather than relying on delayed replies.

As analytics tools improve in 2025, tracking 30-day response rates will become a key metric for evaluating recruiter and sales team performance. Companies should build internal dashboards to align their goals with this rule. The limited window reinforces the importance of quality over quantity in outreach efforts.

TOP LINKEDIN INMAIL STATISTICS 2025 #7. Personalized InMails Outperform Bulk Messaging

Personalized InMails consistently perform better than generic or mass messages. Recipients are more likely to engage when they feel the message is tailored to their background, experience, or needs. This human-centered approach is becoming the standard, especially as AI tools make personalization easier at scale.

In 2025, expect to see even smarter automation platforms that blend data with context to craft hyper-relevant messages. Teams that rely on generic templates may see diminishing returns. Investing in personalization will be non-negotiable for companies looking to stand out. Personalization isn’t just a best practice—it’s becoming the only practice that works.

TOP LINKEDIN INMAIL STATISTICS 2025 #8. Short Subject Lines Increase Response Rates

Shorter subject lines lead to higher InMail response rates, as they quickly convey relevance and grab attention. Long or vague subject lines can appear impersonal or get ignored entirely. Since most users preview messages on mobile, clarity and brevity are essential. A concise subject line acts like a headline—it must make the user want to open the message.

In 2025, with shorter attention spans and higher message volume, this will matter even more. Testing subject lines should be part of every outreach strategy. Using under 40 characters could mean the difference between a new lead and a missed opportunity.

TOP LINKEDIN INMAIL STATISTICS 2025 #9. Shorter InMail Messages Get More Replies

Shorter body content in InMails leads to higher response rates. Messages under 400 characters perform better because they respect the reader’s time. This aligns with modern communication preferences, where people skim rather than read in-depth.

Clear, focused messages that state the ask and offer value are more effective. In 2025, expect even tighter best practices as AI summarization tools help distill complex messages. Long-winded messages may trigger drop-off or be marked as spam. Keep messages concise, personal, and action-driven to match how users process content now.

TOP LINKEDIN INMAIL STATISTICS 2025 #10. Time of Day Has Minimal Impact

LinkedIn has found that InMail response rates remain relatively stable regardless of time or day of sending. This challenges traditional marketing wisdom that timing is everything. On LinkedIn, relevance and personalization seem to matter more than whether the message is sent on a Tuesday or Saturday. That said, some industries may still show slight preferences, and users should review their specific audience behavior.

In 2025, as remote work blurs traditional work hours, time-based outreach strategies will become even less effective. Instead, emphasis will shift to message quality and user segmentation. The focus should stay on who you’re targeting and what you’re offering—not when you hit send.

LINKEDIN INMAIL STATISTICS

TOP LINKEDIN INMAIL STATISTICS 2025 #11. LinkedIn User Base Reaches 1 Billion in 2025

LinkedIn’s global user base reached 1 billion in 2025, up from 571 million in 2022. This massive growth expands the potential reach of InMail significantly, offering access to a broader pool of professionals across industries. As the user base diversifies, outreach strategies must become more segmented and culturally aware. The growth also increases competition, meaning message quality and relevance are more important than ever. Tools that help filter or score potential leads will become essential in managing this scale.

With more users turning to LinkedIn for career opportunities and networking, InMail will remain a valuable tool for recruiters and B2B marketers alike. In 2025 and beyond, understanding how to navigate this expanded network will be key to maintaining strong InMail performance.

TOP LINKEDIN INMAIL STATISTICS 2025 #12. Oil, Gas, and Utilities See Above-Average Response Rates

InMail response rates in the oil, gas, and utilities sectors are 17% to 24% higher than the global average. These industries are traditionally harder to recruit for, so a higher response rate may reflect talent scarcity and openness to opportunity. Professionals in these sectors often value direct outreach and may be more likely to respond to clear, relevant messages.

In 2025, this pattern suggests strong InMail ROI in niche industries with fewer digital channels. Companies in these fields should double down on LinkedIn outreach and track job function response trends. Knowing which verticals overperform helps allocate recruiter time more efficiently. It also offers clues about where demand for talent is outpacing supply.

TOP LINKEDIN INMAIL STATISTICS 2025 #13. HR and QA Professionals Respond Above Average

Professionals in Human Resources and Quality Assurance respond to InMails at rates 15%–16% above average. These functions are heavily networked and often more open to conversations, even passively. HR professionals, in particular, understand the value of professional relationships, which may explain their higher engagement.

As employee experience and compliance grow in importance through 2025, demand for HR and QA talent will stay strong. Outreach to these roles should focus on career development and leadership opportunities. High responsiveness in these functions makes them ideal audiences for carefully crafted, short InMails. Employers looking to scale internal operations should prioritize reaching out to these roles through LinkedIn.

TOP LINKEDIN INMAIL STATISTICS 2025 #14. Best Day to Send Is Thursday

Thursdays generate the highest InMail response rate at 20.32%, while Saturdays are the lowest at 2.65%. This data challenges the notion that weekdays are equally effective and shows clear behavioral patterns. Thursday likely works well because recipients are still engaged with work but winding down for the week. Saturdays see low engagement as professionals are offline or focused on personal time.

In 2025, as flexible work becomes more normalized, these day-based patterns could shift slightly but not disappear. Scheduling high-value outreach for midweek may increase campaign performance. Teams should avoid weekend sends and monitor weekday trends by industry.

TOP LINKEDIN INMAIL STATISTICS 2025 #15. Mutual Connections Boost Response Rate by 46%

Candidates are 46% more likely to respond to an InMail if they already know someone at your company. This statistic reflects the power of social proof and internal referral credibility. Prospects trust outreach more when it’s linked to a familiar name or organization. In 2025, expect outreach tools to increasingly surface mutual connections automatically in messages.

Recruiters should collaborate with internal employees to co-personalize InMails for priority candidates. Mentioning shared contacts or aligning messages with known relationships can dramatically improve reply rates. Social graph visibility is becoming just as important as message content.

LINKEDIN INMAIL STATISTICS

TOP LINKEDIN INMAIL STATISTICS 2025 #16. 81% More Likely to Respond if They Follow Your Company

Candidates who follow your company on LinkedIn are 81% more likely to respond to InMails. This highlights how brand familiarity drives engagement and trust. When users already have interest in your company, they’re more open to communication and opportunities. It also shows how content marketing and employer branding indirectly improve outreach performance.

In 2025, businesses should focus on growing their follower base not just for visibility, but as a pipeline for warm leads. Encouraging employee advocacy and publishing regular thought leadership can help boost followers. The stronger your follower count, the better your InMail ROI will be.

TOP LINKEDIN INMAIL STATISTICS 2025 #17. “Open to Work” Users Respond 35% More

LinkedIn users who have enabled the “Open to Work” feature are 35% more likely to respond to InMail messages. This tool gives recruiters a clear signal of intent, allowing for more efficient outreach. These candidates are actively seeking roles, which means less resistance and more conversions. In 2025, more platforms may adopt similar opt-in visibility features, but LinkedIn’s version will likely remain the industry standard.

Recruiters should prioritize messaging these users with relevant roles and quick next steps. It’s also important to move fast—“Open to Work” users often receive multiple offers in short windows. Personalized, timely communication is key to making the most of this audience.

TOP LINKEDIN INMAIL STATISTICS 2025 #18. InMail Credits Are Returned on Response Within 90 Days

LinkedIn returns InMail credits if a recipient replies within 90 days, whether the response is positive or negative. This policy encourages thoughtful outreach and reduces the cost of building connections. It shifts the focus from volume to meaningful engagement. In 2025, as outreach budgets tighten and ROI is scrutinized, this feature becomes even more valuable.

Teams can track which types of messages earn responses and optimize without penalty. The credit return system acts as a soft incentive to improve message quality over time. It’s a subtle but effective way LinkedIn keeps its communication ecosystem healthy.

TOP LINKEDIN INMAIL STATISTICS 2025 #19. Monthly InMail Limits Vary by Plan

LinkedIn Recruiter Lite users get 30 InMails per month, while full LinkedIn Recruiter accounts offer 150. This cap places a premium on message quality, especially for those on smaller plans. Recruiters must choose their contacts wisely and segment their lists for the best ROI.

In 2025, usage caps may increase with account tiers or performance metrics. Teams with budget constraints will need to complement InMails with other outreach methods like connection requests or direct emails. Understanding your plan’s limits helps avoid waste and plan more strategically. The quota also reinforces the importance of targeting people most likely to reply.

TOP LINKEDIN INMAIL STATISTICS 2025 #20. Combining InMail With Other Channels Increases Effectiveness

Using InMail alongside other outreach methods—such as email, phone calls, or social touchpoints—boosts overall engagement. A multi-channel approach keeps your brand top of mind and increases chances of a reply. In 2025, integrating platforms like LinkedIn, CRM tools, and email automation will be standard practice for high-performing teams.

InMail alone is effective, but when paired with a well-timed follow-up or prior introduction, it performs even better. Campaigns that layer messages across platforms have a higher conversion rate and leave a stronger impression. Professionals increasingly expect consistent communication across multiple channels. Blending outreach methods is key to future-proofing your strategy.

Why LinkedIn InMail Will Stay Ahead in 2025 and Beyond

 

The data confirms that LinkedIn InMail isn’t just surviving—it’s thriving as a top outreach method in 2025. Its higher response and open rates, especially compared to cold emails, show that professionals trust and prioritize messages on this platform. As LinkedIn’s user base passes the 1 billion mark, the opportunity to connect with qualified leads grows—but so does the need to stand out. Personalization, concise messaging, and timing all play a role in success, but the biggest takeaway is that relevance wins.

Recruiters, sales teams, and marketers who focus on quality rather than quantity will benefit most from the platform’s evolving tools. The integration of AI will only sharpen these advantages, making InMail smarter and more efficient. Going forward, those who treat InMail as a strategic channel—not just a quota to fill—will see the strongest results.

 

 

Sources:

 

  1. https://skylead.io/blog/linkedin-inmail
  2. https://www.linkedin.com/business/talent/blog/talent-strategy/these-inmails-get-best-response-rates
  3. https://evaboot.com/blog/linkedin-inmail-best-practices
  4. https://business.linkedin.com/sales-solutions/b2b-sales-strategy-guides/improve-inmail-response-rates-on-linkedin
  5. https://www.linkedin.com/help/recruiter/answer/a413271
  6. https://www.linkedin.com/help/recruiter/answer/a414226
  7. https://www.linkedin.com/business/talent/blog/product-tips/best-time-to-send-inmails
  8. https://salesbread.com/linkedin-outreach-stats
  9. https://www.linkedin.com/business/talent/blog/talent-engagement/how-inmail-response-rates-compare-across-industries-and-functions
  10. https://www.linkedin.com/business/talent/blog/product-tips/tips-for-writing-inmails-from-linkedin-recruiters
  11. https://skima.ai/blog/industry-trends-and-insights/linkedin-inmail-best-practices
  12. https://shieldapp.ai/blog/how-to-craft-the-perfect-linkedin-inmail
  13. https://inlytics.io/blog/the-best-time-to-send-a-linkedin-inmail
  14. https://zopto.com/blog/how-to-write-the-best-linkedin-inmail-messages
  15. https://dripify.io/linkedin-inmail-guide/
  16. https://snov.io/glossary/inmail
  17. https://www.cronofy.com/blog/how-to-send-effective-linkedin-inmail-messages
  18. https://blog.lemlist.com/how-to-write-linkedin-inmail
  19. https://www.getsales.io/blog/linkedin-inmail-statistics
  20. https://blog.growbots.com/how-to-use-linkedin-inmail-effectively