Here are the Email Marketing Campaign Benchmark Metrics, I strongly suggest you should be aware of:
[you may use these as reference points only, which are expert-backed based on working with 300+ clients and these may vary based on your business niche]
Open Rate: 25-40%
Click Rate: 1.5-5%
CTOR: 5-15%
Unsubscribe Rate: 0.3% or less.
Spam Rate: 0.05% or less.
Bounce Rate: 0.4% or less.
Source: Phillip Rivers [Email Marketing Expert]
Here's related information that might be useful to you – 46 Best Email Marketing Campaign Tips To Power Sales [or Conversions].
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