Counties leading in manufacturing (2019-2023)

These estimates include both the formal manufacturing sector and informal manufacturing activities carried out by unincorporated household enterprises.

During this period, Nairobi City contributed an average of 36.9 per cent of total manufacturing GVA.

Other notable contributors, each exceeding 5.0 per cent, included Mombasa (9.9%), Kiambu (8.4%), and Machakos (7.8%).

In contrast, counties located in arid and semi-arid regions, such as Mandera, West Pokot, Tana River, Marsabit, and Isiolo, had the lowest contributions to the manufacturing sector.