Funnel abandonment rate is the percentage of users who enter a multi-step funnel and leave before completing it. It applies to any structured conversion sequence — checkout, account signup, subscription opt-in, lead capture form. A 60% funnel abandonment rate on a four-step checkout means six in ten visitors who reach step one don't complete step four.

How funnel abandonment is measured

Funnel Abandonment Rate = (Sessions entering the funnel − Sessions completing the funnel) ÷ Sessions entering the funnel × 100

For step-by-step diagnosis, the more useful version is per-step abandonment:

Step Abandonment Rate = (Sessions entering step − Sessions advancing to next step) ÷ Sessions entering step × 100

Aggregate abandonment is the headline number; step-level abandonment shows where the funnel actually breaks.

What funnel abandonment actually costs

Every session inside a funnel has already been paid for. The ad spend, the email, the content that earned the visit is sunk by the time someone reaches step two, so anything recovered there arrives with no acquisition cost attached and falls almost entirely to contribution margin. That is a different proposition from buying more traffic, and it is why the aggregate rate is the wrong number to manage. What matters is the value moving through the worst step. A step losing 20% of 4,000 monthly sessions is losing 800 of them; if a fix recovers one in ten, that is 80 more completions a month, and at a $70 order value on 55% contribution margin roughly $3,000 a month, or about $37,000 a year, from one step. Rank the fixes by that arithmetic rather than by whichever percentage looks worst.

Funnel abandonment vs. cart abandonment

Cart abandonment measures one specific funnel: users who added items to cart and didn't complete purchase. It's the most-tracked funnel metric in ecommerce.
Funnel abandonment is the broader concept — applies to any multi-step flow, not just checkout. Account creation, multi-step lead forms, onboarding sequences, subscription opt-ins all have abandonment rates.

Cart abandonment is one specific funnel abandonment rate; not all funnel abandonment is cart abandonment.

What counts as good

Highly funnel-specific. Some rough benchmarks:

Ecommerce checkout (cart to purchase): 60–80% abandonment is typical industry-wide. Below 60% is strong; above 80% warrants investigation.
Multi-step lead forms: 30–60% abandonment per step. Forms with strong incentive and progressive disclosure run lower.
Account creation: 20–50% depending on whether it's required for purchase. Forced account creation produces high abandonment; optional creation runs lower.
Onboarding sequences: 40–70% across multi-step flows. The dropoff is rarely uniform — most happens at one or two specific steps.

What high abandonment tells you

Step-specific friction: shipping cost reveal, account-creation requirement, payment-method limitation, or confusing form field. Per-step analysis usually surfaces one or two specific drop-off points.
Trust gaps: missing reviews, unclear return policy, no secure-checkout signals at the moment of payment commitment.
Mobile-specific UX problems: mobile abandonment often runs 10–20 points higher than desktop on identical funnels. Aggregated numbers hide this.
Price-sensitivity moments: abandonment spikes when total cost (including shipping and tax) is first shown, indicating expectation mismatch upstream.
Form length and complexity: each additional required field measurably increases abandonment. Forms with optional fields disguised as required fields underperform genuinely-optional fields.

How to reduce funnel abandonment

Diagnose per-step before fixing. Aggregate abandonment is misleading; the actionable insight is which specific step is failing. Watch session recordings of abandoners on the worst step.
Show all costs early. Surprise shipping costs at checkout step three abandon more carts than transparent costs at step one.
Strip required fields. Every required field is a friction point. Audit the funnel and remove anything not strictly necessary.
Offer guest checkout. Forced account creation is one of the highest-abandonment patterns in ecommerce. Guest checkout with optional account creation post-purchase converts materially better.
Add trust signals at the right moment. Reviews, security badges, and return-policy reminders at the payment step lower abandonment for trust-sensitive cohorts.
Re-engage abandoners. Cart-abandonment and form-abandonment recovery flows (email, SMS, retargeting) recover a meaningful share of lost conversions when implemented well.

Two constraints shape what you can actually do about this on Shopify. Checkout itself is only lightly editable outside Shopify Plus, so the leverage sits upstream — cart, product page, shipping-rate presentation. And per-step numbers need volume before they mean anything; a step with 40 sessions a week will look broken or perfect at random. Fixing the reachable steps in order is ordinary Shopify conversion optimization, and the discipline behind it is conversion rate optimization testing rather than redesign.

Checkout abandonment specifically has its own recovery playbook worth running alongside any step-level fixes, and this guide to Shopify abandoned cart emails covers the timing and messaging that recovers a share of the highest-value abandonment segment before a redesign is even on the table.