India
total: 64,015 km
broad gauge: 52,808 km 1.676-m gauge (18,172 km electrified)
narrow gauge: 8,473 km 1.000-m gauge; 2,734 km 0.762-m gauge and
0.610-m gauge (2009)
Indonesia
total: 8,529 km
narrow gauge: 8,529 km 1.067-m gauge (565 km electrified) (2008)
Iran
total: 8,442 km
broad gauge: 94 km 1.676-m gauge
standard gauge: 8,348 km 1.435-m gauge (148 km electrified) (2008)
Iraq
total: 2,272 km
standard gauge: 2,272 km 1.435-m gauge (2008)
Ireland
total: 3,237 km
broad gauge: 1,872 km 1.600-m gauge (37 km electrified)
narrow gauge: 1,365 km 0.914-m gauge (operated by the Irish Peat
Board to transport peat to power stations and briquetting plants)
(2008)
Isle of Man
total: 63 km
narrow gauge: 6 km 1.076-m gauge (6 km electrified); 57 km 0.914-m
gauge (29 km electrified)
note: primarily summer tourist attractions (2008)
Israel
total: 949 km
standard gauge: 949 km 1.435-m gauge (2008)
Italy
total: 19,729 km
standard gauge: 18,317 km 1.435-m gauge (12,458 km electrified)
narrow gauge: 123 km 1.000-m gauge (123 km electrified); 1,058 km
0.950-m gauge (151 km electrified); 231 km 0.850-m gauge (2008)
Japan
total: 26,435 km
standard gauge: 3,978 km 1.435-m gauge (3,978 km electrified)
narrow gauge: 96 km 1.372-m gauge (96 km electrified); 22,313 km
1.067-m gauge (15,235 km electrified); 48 km 0.762-m gauge (48 km
electrified) (2009)
Jordan
total: 507 km
narrow gauge: 507 km 1.050-m gauge (2008)