Mohammed made the remarks at a gathering in the central city of Jos on Sunday.
He said Nigeria faced challenges of ethno-religious violence, armed robbery, rustling, kidnapping for ransom, militancy and violent agitations.
A major challenge was reconstruction, resettlement and rehabilitation that would return internal displaced persons home, he said.
He said President Muhammadu Buhari had rallied support of the international community for Nigeria.
It was corruption that prolonged the war against militant group Boko Haram, he said.
He also said the government was working to diversify the country’s economy to develop agriculture, mining, tourism and other sectors instead of solely depending on oil. Enditem