Kiambu, Nakuru and Mombasa are Kenya’s most conducive counties for doing business due to a deeper financial system, wider market access and infrastructure as Isiolo, Lamu and Wajir rank lowest, a fresh index shows.
The 2026 County Development Index (CDI) ranks Kiambu and Nakuru joint first with scores of 0.181, followed by Mombasa at 0.166, Meru at 0.120 and Machakos at 0.108.