He made this known on Wednesday in Abuja when he presented President Muhammadu Buhari with a new membership card.
The National Chairman, who revealed to the president that15.6 million registered members, since he assumed the leadership position of the party by the deployment of technology to create a database.
“Today to talk about the size of our party, the largest party in the world and in Africa, we need to have evidence that can be verified by a third party or by members.
“We have taken advantage of technology to produce what I believed is the best or the first in Nigeria.
“We now have as at last week when they started printing of membership register, about 15.6 million registered APC members across the country,” he said.
The APC national chairman added that the party membership data base was designed to ensure that the membership status of anyone could easily be verified at the touch of a bottom.
Oshiomhole further added that with the development, the party had credible and verifiable persons to conduct direct primaries on the basis of its membership register.
However, he said the party would not in any way nullify or change the decisions of its National Executive Committee (NEC) at its sixth meeting, which allowed for indirect primaries, for logistics reasons
He said the APC will strive to give practical expression to its decision as transparently as possible.