A third of polling stations have been counted after polling day on Wednesday.
At midday SODELPA had an eight percent lead over Frank Bainimarama's FijiFirst, with two thirds of polling stations still to be added to the national tally.
The National Results Centre is entering data as result sheets are transported in from around the country.
Provisional results from the polling stations indicated a slim victory for Mr Bainimarama.
The elections authorities have urged people not to heed false reports a second count is being conducted.
