Fiji is 23 times larger than Kiribati.
Area: 18,274 km2 World Factbook
Population: 903,207 (July 2014) World Factbook
An island nation in the South Pacific Ocean east of Vanuatu, west of Tonga and south of Tuvalu. The country occupies an archipelago of about 322 islands, of which 106 are permanently inhabited, and 522 islets. The two major islands, Viti Levu and Vanua Levu, account for 87% of the population. Wikipedia
Area: 811 km2 World Factbook
Population: 104,488 (July 2014) World Factbook
Kiribati, officially the Independent and Sovereign Republic of Kiribati, is an island nation in the central tropical Pacific Ocean. The permanent population is just over 100,000 on 800 square kilometres. Wikipedia