The failure of an electronic vote-counting system has cast a shadow of doubt about the nail-biting finish.
Uhuru (Swahili word for independence) Kenyatta emerged as the winner in the presidential vote by a razor thin margin.
Until now the deputy prime minister, Kenyatta is the son of the rich and prosperous founding father and president Jomo Kenyatta.
The 58-year-old Kenyatta is one of the richest men in the country.