FILE PHOTO: Atiku Abubakar attends the national convention of Nigeria's opposition People's Democratic Party (PDP), in the southern city of Port Harcourt in the Niger Delta, Nigeria October 6, 2018. REUTERS/Tife Owolabi/

ABUJA (Reuters) - Nigerian opposition candidate Atiku Abubakar said on Monday he would invest $90 billion annually in infrastructure over the next 5 years if he wins presidential elections in 2019.

Abubakar made the commitment in his manifesto for the February 2019 race, where he will seek to unseat President Muhammadu Buhari.