Akpata defeated two Senior Advocates of Nigeria (SANs), to become the first non-SAN president in years.
He finished the polls with a total of 9,891 votes out of the total 18,256 ballots cast.
Babatunde Ajibade (SAN) garnered 4,328 votes, while Dele Adesina (SAN) got 3,982 votes.
The NBA’s national election ended at 11pm on Thursday.
Akpata maintained a 54.3 per cent lead consistently since voting started at 11pm on Wednesday.
A total of 29,636 lawyers were expected to vote nationwide in the electronic poll.