Can you smile in a passport photo? Why ICAO bans it (2026)

Short answer: no

Every country with a biometric passport bans smiling. The rule is universal because it's ICAO 9303 (the UN biometric standard) talking, not local discretion. Even a small smile shifts the position of the corners of your mouth and lifts your cheeks 1-2 mm — enough to throw off the facial-distance measurements border scanners use to match your live face to the chip photo.

What “neutral expression” really means

Closed mouth. Lips relaxed, neither pressed nor pursed. Cheeks not lifted. Eyes open, not squinting from a suppressed grin. If you can feel any tension in your cheek muscles, you're still smiling. Take a deep breath, exhale, then take the photo on the second breath — the face naturally relaxes.

What about a slight smile / closed-mouth grin?

Counter clerks call this the “photo smile” and reject it routinely. The rejection rate for photos with any visible cheek lift sits around 60-70% in EU markets. France interprets the rule strictest; Spain and the Netherlands occasionally let a tiny relaxed smile pass. Don't risk it.

Why ICAO bans smiling

Border facial recognition algorithms compute distances between fixed landmarks: eye corners, nose tip, mouth corners, chin tip. A smile changes the mouth- corner positions by several millimetres — enough that an automated gate flags a low match score. Neutral expression keeps those landmarks in their resting positions, so the algorithm matches reliably.

Children and babies

For children under 6 most countries relax the rule: eyes open and looking at the camera is the only strict requirement. A faint natural smile is usually accepted. The Netherlands, UK, and US all explicitly document this exemption.

Take your passport photo with our AI — the compliance check flags any visible smile before you submit, so you can retake if needed.