Explore sao tome and príncipe - A Nation of 223107 People. sao tome and príncipe (ST) is a diverse and thriving country spanning 964 km² (372 sq mi). With a population density of 231 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, sao tome and príncipe stands out as a global destination. Stay informed about sao tome and príncipe’s geographic insights, demographic trends, and more. Discover why sao tome and príncipe is a key player on the world stage today!