Tanzania
Eneo lina kilometa za mraba 947,303 (nchi ya 31 duniani); maji ya ndani yanachukua asilimia 6.2.
Ziwa Viktoria
Eneo la maji ya ziwa limegawanywa 6% (4,100 km) nchini Kenya, 45% (31,000 km) nchini Uganda, na 49% (33,700 km) nchini Tanzania.