The flag of Niger has been the national flag of the Republic of the Niger since 1959, a year prior to its formal independence from French West Africa. It uses the national colors of orange, white and green, in equal horizontal bands, with an orange circle in the center. It forms one of the official national symbols of the Republic of the Niger, along with the coat of arms, the National Anthem, and the national motto: "Fraternité, Travail, Progrès".
Learn more on Wikipedia