The September 17 vote is considered pivotal to ending the archipelago's "coup culture", which saw four governments toppled between 1987 and 2006 amid instability stemming from tensions between indigenous Fijians and ethnic Indians.
After nearly eight years of authoritarian rule, 590,000 registered voters in the population of about 900,000 will have the chance to select from 262 candidates standing for election to a new 50-seat parliament set up under a constitution adopted in 2013.
Fiji's status as the largest and most economically powerful South Pacific island nation means the election matters not just to Fiji, but to neighbouring countries such as Tonga, Samoa and Vanuatu.
The International Monetary Fund noted in its most recent assessment of Fiji that "successful elections and a smooth transition to reform-oriented democratic government could result in stronger confidence in the economy and higher capital inflows".
Also Read
Yet rights groups such as Amnesty International say doubts remain about whether basic human rights are being honoured in Fiji, raising concerns the election could be a "democratic sham".
"Freedom of speech, an independent media, rule of law, a constitution that respects human rights -- all are essential, and all have been under siege in Fiji since (Voreqe) Bainimarama took power in the December 2006 coup."
Bainimarama seized power against a volatile backdrop of divisions between indigenous Fijians and ethnic Indians descended from sugar plantation labourers shipped in by the British during the colonial era.
Indians, who form about 40 per cent of the population, traditionally dominated the economy while indigenous Fijians gravitated towards government and the military.