Bolivia
10,000 km (commercially navigable) (2005)
Bosnia and Herzegovina
Sava River (northern border) open to shipping
but use limited (2006)
Brazil
50,000 km (most in areas remote from industry and population)
(2005)
Brunei
209 km (navigable by craft drawing less than 1.2 m) (2005)
Bulgaria
470 km (2006)
Burma
12,800 km (2005)
Burundi
mainly on Lake Tanganyika (2003)
Cambodia
2,400 km (mainly on Mekong River) (2005)
Cameroon
navigation mainly on Benue River; limited during rainy
season (2005)
Canada
631 km
note: Saint Lawrence Seaway of 3,769 km, including the Saint
Lawrence River of 3,058 km, shared with United States (2003)