Security was heightened both outside and inside the stadium with those seeking access being taken through tight security checks.
Comoros President and African Union Chairperson Azali Assoumani and former Niger President Mahamadou Issoufou are among the dignitaries attending the ceremony.
Defence CS Aden Duale, his interior counterpart Kindiki Kithure are among CSs, PSs and CAs in attendance.
Unlike last year when he was denied a chance to address the nation owing to the bad blood with former President Uhuru Kenyatta, Ruto is today expected to take advantage and address Kenyans amid opposition to his proposed taxes that many have termed oppressive and punitive.
Many also expect that Ruto will take advantage to highlight his plan to lower the cost of living and measures to address challenges within the health sector.
Photos by Samson Wire and Murith Mugo, Standard