Tonga is 5.3 times larger than Wallis and Futuna Is..
Area: 747 km2 World Factbook
Population: 106,440 (July 2014) World Factbook
Tonga, officially the Kingdom of Tonga, is a Polynesian sovereign state and archipelago comprising 176 islands with a surface area of about 750 square kilometres scattered over 700,000 square kilometres of the southern Pacific Ocean, of which 52 are inhabited by its 103,000 people. Wikipedia
Area: 142 km2 World Factbook
Population: 15,561 (July 2014) World Factbook