Cohort analysis groups customers who started buying from your Shopify store in the same time period and tracks their behaviour over time. It answers the question: “Of all the customers who first purchased in January, how many are still buying six months later?” This insight is crucial for understanding customer retention and lifetime value. This guide explains how cohort analysis works for Shopify merchants and how to act on the findings.
What Cohort Analysis Reveals for Shopify Stores
A cohort report typically looks like a grid: rows represent groups of customers acquired in a specific month, and columns show their behaviour in subsequent months. The numbers show what percentage of each cohort came back to buy again in month 1, month 2, month 3, and so on.
What you are looking for:
- When retention drops sharply: If most cohorts show a big drop after month 1, you have a post-purchase engagement problem. Customers buy once but nothing brings them back.
- Which acquisition channels have better retention: Customers from organic search often have better long-term retention than customers from discount-driven paid ads.
- Whether product or seasonal changes affected retention: If a specific cohort (e.g., November Black Friday buyers) has worse retention than others, this signals deal-seekers who never intended to become regular customers.
Running Cohort Analysis on Shopify
Shopify provides a basic cohort report in Analytics for Shopify Advanced and Shopify Plus plans. Go to Analytics, then Reports, then Customer Cohort Analysis. This shows retention by acquisition month with percentage return rates.
For more detailed cohort analysis, Google Analytics 4 has a User Retention report and a Cohort Exploration tool. In GA4, go to Explore, then create a Cohort Exploration. You can segment by acquisition source, device type, or any GA4 dimension to compare cohort behaviour across different customer segments.
For deeper analysis, apps like Glew Analytics or Lifetimely provide dedicated cohort analysis with more filters and visualisation options than native Shopify reports.
What Good Retention Numbers Look Like
| Industry | Good Month 1 Retention | Good Month 3 Retention |
|---|---|---|
| Consumables (food, beauty) | 25–40% | 15–25% |
| Fashion & apparel | 15–25% | 8–15% |
| Home decor | 8–15% | 5–10% |
| Electronics | 5–10% | 3–7% |
Consumables (skincare, supplements, food) naturally have higher retention because customers replenish regularly. Fashion and home stores see lower repeat rates but can still build significant CLV with targeted re-engagement campaigns.
Using Cohort Insights to Improve Retention
Once you know when customers typically drop off, you can intervene before that point:
- If most customers do not return after month 1, create a strong 30-day re-engagement email sequence triggered after first purchase.
- If a specific acquisition channel (e.g., discount code from an influencer) produces low-retention cohorts, reduce investment in that channel.
- If seasonal buyers have poor retention, create an off-season campaign specifically targeting customers who only buy during sales to convert them to full-price buyers.
For help interpreting your Shopify cohort data and building retention campaigns, the OneOnic team works with ecommerce brands on data-driven growth strategies.
Frequently Asked Questions
How much order history do I need before cohort analysis is useful?
You need at least 6 to 12 months of order data and a minimum of 100 customers per cohort to see statistically meaningful patterns. Stores with fewer than 500 total customers may not have enough data yet — focus on other analytics until your customer base grows. The longer your history, the more useful cohort analysis becomes.
Is cohort analysis the same as repeat purchase rate on Shopify?
Repeat purchase rate is a single number — what percentage of your total customers have bought more than once. Cohort analysis is more detailed — it shows you exactly when customers return relative to their first purchase, and compares different groups over time. Both metrics are useful; cohort analysis gives you the context to understand your repeat purchase rate properly.
Can I run cohort analysis for free on Shopify?
Basic cohort reports are available on Shopify Advanced and Shopify Plus plans. For lower-tier Shopify plans, GA4’s cohort exploration tool is free and provides good analysis if your GA4 ecommerce tracking is set up correctly. Paid analytics apps like Lifetimely offer more features but are not strictly necessary for most growing stores.
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