Nationals of Benin, Burkina Faso, Cape Verde, Central African Republic, Chad, Côte d’Ivoire, The Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Morocco, Nigeria, Rwanda, Senegal, Sierra Leone, Togo and Tunisia do not require a visa to enter Niger.
Everyone else needs a visa.
You will require the following;
A valid passport over the 60 days of the period of stay granted;
Two (02) photographs of identity and US$100.
Requirements and charges differ between embassies.