Why Passport Photos Get Rejected
Shadows, glasses and head size cause most rejections. The measurements that matter, what varies by country, and how to take an acceptable photo at home.
Passport photo rejection is common, expensive in time, and almost entirely avoidable. The requirements look fussy because they exist to make facial recognition work — the photo has to be machine-readable, not just recognisable to a person.
Before anything else: check your own country's official requirements. They differ in meaningful ways, they change, and the authority issuing your document is the only source that counts. What follows is the shape of the rules and the mistakes that recur everywhere.
The measurements
Two standards cover most of the world.
US (2 × 2 inches / 51 × 51 mm) — square. Head height, chin to the top of the head including hair, must be between 1 inch and 1⅜ inches (25–35 mm). Eyes between 1⅛ and 1⅜ inches from the bottom. Digital submissions typically need to be between 600 × 600 and 1200 × 1200 pixels.
UK, EU/Schengen and much of the world (35 × 45 mm) — portrait. Head height, chin to crown, must be 29–34 mm — a tight 5 mm window that is the single most common reason for rejection.
Many other countries use one of these two, sometimes with local variations. India, Canada, Australia and China each have their own specifics.
The rejection reasons, in rough order of frequency
1. Head size wrong. Too far from the camera and the head is too small; too close and it is too large and distorted. The window is narrow and eyeballing it does not work.
2. Shadows. Behind the head, or under the chin and nose. Caused by a single light source, or by standing too close to the wall. The background must be evenly lit and free of shadow.
3. Glasses. The United States has not permitted glasses in passport photos since November 2016 — take them off. The UK and most of Europe allow them, but the eyes must be clearly visible with no glare, no tinted lenses and no frames obscuring the eyes. Given how often glare causes rejection, removing them is the safer choice wherever it is permitted.
4. Expression. Neutral, mouth closed, both eyes open, looking straight at the camera. Smiling is a rejection in most jurisdictions, and a broad smile always is — it distorts the facial measurements the system takes.
5. Background. Plain and light. The US wants white or off-white; the UK wants light grey or cream; some countries specify a particular shade. Patterned wallpaper, doorframes, and other people are all disqualifying.
6. Hair over the face. Eyes and eyebrows must be visible. A fringe covering the eyebrows is a real rejection reason.
7. Age of the photo. Generally must be taken within the last six months, and must reflect your current appearance.
8. Quality. No red-eye, no filters, no beauty smoothing, no visible compression artefacts. Phone camera "portrait mode" is a problem — the artificial background blur is usually disqualifying.
Taking one at home
The requirements are achievable without a photo booth, and the difference is almost entirely in how you set up.
Light. Face a large window, indirectly. Daylight from the front, in the middle of the day, on an overcast day if possible. Avoid overhead lighting, which casts shadows under the eyes and nose, and avoid direct sun, which produces harsh shadows and squinting.
Background. Stand about 50 cm away from a plain light wall. The distance is what eliminates the shadow — standing against the wall is the classic mistake.
Camera position. Lens at eye level, roughly 1–1.5 metres away. Too close causes lens distortion that enlarges the nose noticeably; a little distance with a slight zoom is more flattering and more accurate.
Do not take a selfie. Arm's length is far too close, the distortion is severe, and the arm position affects the shoulders. Have someone else take it, or use a timer and prop the phone up.
Turn off portrait mode, beauty filters and HDR effects. Plain photo.
Clothing. Something that contrasts with a light background — a white shirt against a white wall leaves you looking disembodied. No uniforms. Head coverings are generally permitted for religious reasons provided the full face from chin to forehead is visible.
Cropping to spec
Take the photo with plenty of space around your head, then crop precisely. This is the step where most home attempts fail, because the head-height window is only a few millimetres wide.
The passport photo maker crops to the standard sizes with the head-position guides drawn on, so you can see whether the chin-to-crown measurement lands inside the permitted range before you print. It runs in your browser, so the photo is not uploaded — worth noting for an image of your face attached to an identity document.
Printing
If printing at home, use photo paper at 300 DPI or higher on a photo-capable printer. Ordinary paper and a standard office printer generally will not pass.
Most people are better off printing at a photo shop or a pharmacy print service. A 6 × 4 inch print holds several UK-sized or US-sized photos and costs very little — the passport photo maker can lay them out on a single sheet for exactly this.
For digital submission, check the file size limit as well as the pixel dimensions; both are usually specified, and an oversized file is rejected by the upload form before a human ever sees it.