
Simiyu
(57% of total cotton production)

Shinyanga
(12% of total cotton production)

Geita
(9% of total cotton production)

Mwanza
(8% of total cotton production)

Singida
(5% of total cotton production)

Tabora
(4% of total cotton production)

Katavi
(3% of total cotton production)

Mara
(3% of total cotton production)