IEBC Voter Register Per region release on July 24 2022
| Province | Number of Voters |
| Eastern | 1,948,010 |
| Rift valley | 5,343,947 |
| Western | 2,196,696 |
| Nyanza | 3,081,981 |
| Mt. Kenya | 4,507,811 |
| Nairobi | 2,505,199 |
| Coast | 1,953,558 |
| North Eastern | – 617,999 |
Counties Per Province
Eastern Region
Kitui County, Machakos County, Makueni County, Marsabit County,
Meru County, Tharaka Nithi County, Embu County, Isiolo County.
Rift Valley.
Turkana, West Pokot, Samburu, Trans-nzoia, Uasin Gishu, Elgeyo Marakwet, Nandi, Baringo, Laikipia, Nakuru, Kajiado, Kericho and Bomet.
Western
Bungoma, Vihiga, Kakamega and Busia
Nyanza
Homa Bay County, Kisii County, Kisumu County, Migori County, Nyamira County, Siaya County.
Mt. Kenya
Nyandarua, Nyeri, Kirinyaga, Murang’a, Kiambu
Coastal Province
Kilifi County, Kwale County, Lamu County, Mombasa County, Taita Taveta County, Tana River County.
North Eastern
Garissa, Isiolo, Lamu, Mandera, Marsabit, Samburu, Tana River, Turkana, Wajir, and West Pokot.
Nairobi County
