Spain is one of the most highly developed countries in the world. In 2021, the country spent 1.43% of its GDP on R&D. 15. Norway. Absolute R&D Spending: $9.75 billion. Human Development Index: 0.966.

India has officially become the most populous country in the world in 2025, with an estimated population of 1.46 billion, ...

Of the 195 countries in the world, 54 countries are in Africa, 48 in Asia, 44 in Europe, 33 in Latin America and the Caribbean, 14 in Oceania, and 2 in Northern America. Check the complete list of ...