Explore Tonga - A Nation of 106017 People. Tonga (TO) is a diverse and thriving country spanning 747 km² (288 sq mi). With a population density of 142 people per km², it offers a unique blend of cultural heritage, economic opportunities, and breathtaking landscapes. Whether you're interested in tourism, business, or history, Tonga stands out as a global destination. Stay informed about Tonga’s geographic insights, demographic trends, and more. Discover why Tonga is a key player on the world stage today!