A good email open rate depends on the industry and audience. You should aim for an open rate between 15% and 25% on average. Some industries see higher rates, around 30% or more. You must track your own metrics to set realistic goals. You can improve your open rate by using personalized subject lines. You should send emails at optimal times for your audience. You must clean your email list to remove inactive subscribers. You can test and refine your email campaigns to achieve better results. A consistent open rate above the average shows your strategy is working effectively.