The 2026 checkout benchmark: what actually converts
We analysed 50 million checkouts across 40 countries. Here's what the data says about what works — and what doesn't.
Every extra field drops conversion. Every extra click costs money. We analysed 50 million MondialPay checkouts across 40 countries to find the patterns that separate high-converting stores from the rest.
Top five findings
- Showing local currency increases conversion by 11% on average.
- Apple Pay/Google Pay lift conversion 23% on mobile.
- Trust badges above the Pay button add 4-6%.
- Address autocomplete saves 11 seconds per checkout.
- One-click repeat purchases convert 3x better than guest flows.