According to a document prepared by the Revenue Mobilisation, Allocation and Fiscal Commission (RMAFC) and published on bprs.gov.ng (the official website of Bureau of Public Service Reforms)

President of the Federal Republic of Nigeria
President Muhammadu Buhari's annual take-home pay, including allowances, is N14,058,820:00 (N14.0m).

The president gets N1,171,568:20 (N1.17m) per month.

Vice President of the Federal Republic of Nigeria
Yemi Osinbajo gets N12,126,290:00 (N12.1m) per annum while his monthly pay stands at N1,010,524:16 (N1.01m)

State Governors
Nigerian state governors get N7,782,967:50 (N7.78m) per annum while their monthly pay is N648,580:62.

Deputy Governors
For the deputy governors, their annual take-home pay is N7,392,752:50 (N7.39m) while their monthly pay is N616,062:69