narrow gauge: 3,913 km 1.067-m gauge (519 km electrified) (1999)
Niger:
0 km
Nigeria:
total: 3,557 km
narrow gauge: 3,505 km 1.067-m gauge
standard gauge: 52 km 1.435-m gauge
note: years of neglect of both the rolling stock and the right-of-way have seriously reduced the capacity and utility of the system; a project to restore Nigeria's railways is now underway
Niue:
0 km
Norfolk Island:
0 km
Northern Mariana Islands:
0 km
Norway:
total: 4,012 km