What's a Good Email Open Rate for Law Firms and Legal Services in 2026?

Law firms and legal services businesses see an average email open rate of 39.2% in 2026 — well above the cross-industry blended average most benchmark reports place in the high teens to low 20s — and the legal sector also posts the highest email click-through rate (4.90%) of any industry tracked, alongside the lowest unsubscribe rate (0.09%).

The full legal-sector email benchmark

• Open rate: 39.2%
• Click-through rate (CTR): 4.90%, the highest of any industry in the comparison
• Click-to-open rate (CTOR): 14.72%
• Unsubscribe rate: 0.09%, the lowest of any industry in the comparison

Every one of those four numbers points the same direction: legal email lists are unusually engaged relative to email marketing generally.

Why legal email performs above average

Two structural factors explain most of the gap. First, legal email lists tend to be smaller and more deliberately built than retail or ecommerce lists — subscribers are current clients, referral partners, or people who specifically sought out legal information, not casual newsletter signups collected through a discount pop-up. Second, legal content is inherently high-stakes: an update about a case, a compliance deadline, or a change in law affecting a subscriber's business or personal situation carries urgency that a promotional retail email doesn't.

A 0.09% unsubscribe rate is the standout number in this data. That's roughly one unsubscribe per 1,100 emails sent, an unusually low churn rate that suggests most legal email programs aren't over-sending or sending irrelevant content to their lists.

What this means for a law firm's email program

Because 39.2% is the real category benchmark, a law firm's email program converting below that — particularly below 25-30% — has more room to improve than a generic "20% is good" rule of thumb suggests. Given legal's already-low unsubscribe rate, the more likely culprit for a below-benchmark open rate is sender reputation or subject line quality rather than audience fatigue, since the data shows legal subscribers tolerate a normal sending cadence well.

CTR matters more here than in most industries

A 4.90% CTR against a 39.2% open rate produces the 14.72% CTOR — meaning nearly 1 in 7 people who open a legal email click something in it. That's a strong signal that legal email content itself, not just the subject line, is doing real work, and it argues for treating email as a genuine referral and retention channel for a law firm rather than a low-priority afterthought behind paid search and SEO.

Bottom Line

Treat 39.2% open rate and 4.90% CTR as the real bar for a law firm's email program in 2026, not a generic cross-industry average — and if unsubscribe rate is running meaningfully above 0.09%, look at list-building practices before blaming send frequency.

Sources: Industry legal-sector email marketing benchmark data (2026), cross-referenced across law firm and legal services marketing benchmark reports.