Updated November 2025.
Understanding email open rates is crucial for optimizing your email marketing campaigns and driving engagement.
Whether you’re a seasoned marketer or just starting, mastering this key metric can have a major impact on your campaign’s success. Among these metrics, email open rates stand out as a fundamental indicator of your email’s initial performance, acting as a gateway to further engagement through click-through and click-to-open rates (CTRs and CTORs).
This blog will help you understand what constitutes a good open rate, how to improve it, and how privacy changes are impacting the way we interpret email performance today.
An open rate is a metric used in email marketing that measures the number of times a recipient opens an email.
It is calculated by dividing the number of emails opened by the total number of emails sent, excluding those bounced, and then multiplying the result by 100 to get a percentage. This metric serves as an initial gauge of how well your email campaign is performing, offering insights into how engaging your subject line is and the overall effectiveness of your email marketing strategy.
The significance of the email open rate in email marketing cannot be overstated. It is the first hurdle in achieving email marketing success as a preliminary indicator of recipient engagement. A high open rate suggests that your emails are well-received, indicating effective subject line strategies and a strong sender reputation. Conversely, a low open rate may signal that your emails are not resonating with your audience, prompting optimization in areas such as subject line creativity, send time, and audience segmentation.
Moreover, open rates provide valuable feedback on the relevance and appeal of your email content to your target audience. They help identify trends over time, enabling marketers to refine their strategies and improve the overall health of their email marketing efforts. Tracking and analyzing open rates is crucial for optimizing email campaigns, enhancing recipient engagement, and ultimately driving conversions and growth.
Calculating the email open rate is a straightforward process that involves a few simple steps. By understanding how to calculate this key metric, marketers can gain insights into the effectiveness of their email campaigns and make data-driven decisions to improve their strategies. Here’s a step-by-step guide on how to calculate the email open rate:
First, you must determine the total number of emails successfully delivered to your recipients’ inboxes. This number is found by subtracting the number of bounced emails (emails not delivered due to issues such as invalid addresses or full inboxes) from the total number of emails sent.
Next, identify the total number of unique opens for your email campaign. This refers to the count of distinct recipients who have opened the email. It’s important to focus on unique opens to ensure that multiple opens by the same recipient are not counted more than once.
To calculate the open rate, use the following formula:
If you sent out 1,000 emails and 50 were bounced, your total number of emails delivered would be 950. If 285 of these emails were opened, you would calculate the open rate as follows:
By following these steps, marketers can calculate their email open rates and gain valuable insights into how well their audience receives their emails. This metric, while not the only indicator of email campaign success, is a critical first step in evaluating and improving email marketing effectiveness.
Always ask yourself, what can you learn from your email open rates?
Important: Due to privacy changes like Apple Mail Privacy Protection (MMPP), open rates are becoming a less reliable metric. Apple now preloads email images, recording an “open” even if the user hasn’t actually viewed the email. Because of this, marketers should monitor additional metrics such as click-through rates (CTR) and conversions when evaluating email performance.
A “good” email open rate can significantly vary depending on several factors, including the industry, the nature of the email content, the target audience, and the context in which the email is sent. Different industries experience different average open rates due to varying levels of customer engagement, regulatory environments, and the relevance of the content to the recipient.
Let’s explore what constitutes a good open rate for email in various industries, including some with unique challenges such as casinos, legal settlement emails, franchises, and tricky industries like cannabis and crypto, as well as more traditional sectors like retail and publishing.
Average email open rates can provide valuable benchmarks for marketers to gauge the effectiveness of their email campaigns relative to industry standards. These averages can vary significantly across different sectors due to factors such as consumer behavior, the nature of the email content, and how saturated the market is with email marketing.
Below is an exploration of average open rates for marketing emails and newsletters across various industries, reflecting a broad spectrum of engagement levels. It’s important to note that these figures can fluctuate based on numerous factors, including market conditions, changes in consumer preferences, and advancements in email marketing practices.
Marketers must understand that while these averages provide a useful benchmark, the goal should always be to optimize email campaigns for their specific audience. Strategies to improve open rates include segmenting email lists, personalizing email content, optimizing send times, and continually testing and refining email subject lines. Marketers can meet and exceed average industry open rates by focusing on these areas, driving higher engagement, and achieving better results from their email marketing efforts.
| Industry | Average Open Rate (2025) |
|---|---|
| E-Commerce | 18% |
| B2B (Business to Business) | 21% |
| Non-Profit Organizations | 30% |
| Healthcare | 22% |
| Education | 25% |
| Technology and SaaS | 20% |
| Real Estate | 22% |
| Publishing and Media | 26% |
| Legal | 25% |
| Retail | 17% |
| Casino | 23% |
| Crypto and Cannabis (Tricky) | 18% |
Specific open rate benchmarks for all industries were derived from general industry knowledge and email marketing studies published by various email marketing platforms and research organizations. However, given the dynamic nature of email marketing and the specific request for up-to-date benchmarks, including those for niche and heavily regulated industries, it’s essential to consult individual sources for the most accurate and recent data.
Boosting your email open rates requires a thoughtful, strategic approach. Here are proven tactics to lift engagement:
Craft compelling subject lines: Focus on curiosity, urgency, or personalization without being spammy.
Segment your audience: Sending targeted, relevant content based on interests or past behavior improves open rates dramatically.
Optimize your send times: Experiment with different days and times — studies show Tuesday mornings often perform best, but your audience may vary.
Use a recognizable sender name: Emails from a person’s name (“John at Company”) often outperform generic company names.
Clean your email list regularly: Remove unengaged subscribers to protect sender reputation and improve deliverability.
Personalize whenever possible: Use the recipient’s name, location, or preferences to make the email feel tailored to them.
Run A/B tests: Continuously test subject lines, preview text, and send times to discover what works best for your audience.
A good open rate typically falls between 20% and 30%, depending on the industry. Nonprofits, education, and publishing newsletters often outperform promotional industries like retail or e-commerce.
The most important factors are subject lines, sender name recognition, list quality, send timing, and audience segmentation. Privacy changes and inbox algorithms also play a growing role.
Privacy updates like Apple Mail Privacy Protection artificially inflate open rates by automatically downloading tracking pixels, even when users don’t actually view the email. This makes click-through and conversion rates even more important to monitor.
Open rate is calculated as:
(Unique Opens ÷ Emails Delivered) × 100
For example, if you send 950 delivered emails and receive 285 unique opens, your open rate would be 30%.