United States Baby Passport photo specifications
| Physical size | 51 × 51 mm · 2 × 2 in |
|---|---|
| Pixels at 300 dpi | 600 × 600 px |
| Pixels at 600 dpi | 1200 × 1200 px |
| Head size | 25–35 mm where practical; full face visible |
| Background | Plain white or off-white sheet |
| Expression | Neutral where possible; infant exceptions are assessed with flexibility |
| Glasses | Not applicable; keep eyes and face unobstructed |
| Smile | Natural infant expression is acceptable |
| File / print format | Recent color photo, printed or digital according to the application |