Guide to photo formats and sizes requirements for Niger uses its own maintained registry of countries and document types following official documentations.

Document TypeVisa from USA (2 x 2 inch) Get Started
Picture size50x50 mm (width x height)
Head height60 % of the photo total height
Top head distance10 % from top the of the photo
Background color       
Printable format10 cm x 15 cm - 4" x 6"
Digital format1000x1000
Link to official documents